Quotation marks in English

In English writing, quotation marks or inverted commas, also known informally as quotes, talking marks,[1][2] speech marks,[3] quote marks, quotemarks or speechmarks, are punctuation marks placed on either side of a word or phrase in order to identify it as a quotation, direct speech or a literal title or name. They are also used to indicate that the meaning of the word or phrase they surround should be taken to be different from (or, at least, a modification of) that typically associated with it (e.g. in the sentence the elite, composed of people of mixed ancestry, embraced their "whiteness" – the quotation marks modify the word whiteness to pertain to European culture rather than the colour white); in this way, they are often used to express irony. They also sometimes appear to be used as a means of adding emphasis, although this usage is usually considered incorrect.[4][5]

“ ”
Double typographic quotes
‘ ’ " " ' '
Single typographic quotes Neutral double quotes Neutral single quotes

Quotation marks are written as a pair of opening and closing marks in either of two styles: single (‘...’) or double (“...”). Opening and closing quotation marks may be identical in form (called neutral, vertical, straight, typewriter, or "dumb" quotation marks), or may be distinctly left-handed and right-handed (typographic or, colloquially, curly quotation marks); see quotation mark glyphs for details. Typographic quotation marks are usually used in manuscript and typeset text. Because typewriter and computer keyboards lack keys to directly enter typographic quotation marks, much of typed writing has neutral quotation marks. Some computer software has the feature often called "smart quotes" which can, sometimes imperfectly, convert neutral quotation marks to typographic ones.

The typographic closing double quotation mark and the neutral double quotation mark are similar to—and sometimes stand in for—the ditto mark and the double prime symbol. Likewise, the typographic opening single quotation mark is sometimes used to represent the ʻokina while either the typographic closing single quotation mark or the neutral single quotation mark may represent the prime symbol. Characters with different meanings are typically given different visual appearance in typefaces that recognize these distinctions, and they each have different Unicode code points. Despite being semantically different, the typographic closing single quotation mark and the typographic apostrophe have the same visual appearance and code point (U+2019), as do the neutral single quote and typewriter apostrophe (U+0027).[6] (Despite the different code points, the curved and straight versions are sometimes considered multiple glyphs of the same character.)[7]

History

In the first centuries of typesetting, quotations were distinguished merely by indicating the speaker, and this can still be seen in some editions of the Christian Bible. During the Renaissance, quotations were distinguished by setting in a typeface contrasting with the main body text (often italic type with roman, or the other way around). Long quotations were also set this way, at full size and full measure.[8]

Quotation marks were first cut in metal type during the middle of the sixteenth century, and were used copiously by some printers by the seventeenth. In some Baroque and Romantic-period books, they would be repeated at the beginning of every line of a long quotation. When this practice was abandoned, the empty margin remained, leaving the modern form of indented block quotation.[8]

In Early Modern English, quotation marks were used to denote pithy comments. They were used to quote direct speech as early as the late sixteenth century, and this practice became more common over time.[9][10]

Usage

Quotations and speech

Single or double quotation marks denote either speech or a quotation. Double quotes are preferred in the United States, and also tend to be preferred in Canada, Australia, and New Zealand. Single quotes are more usual in the United Kingdom, Ireland and South Africa, though double quotes are also common there.[11] A publisher's or author's style may take precedence over regional general preferences. The important idea is that the style of opening and closing quotation marks must be matched:

‘Good morning, Frank,’ said Hal.
“Good morning, Frank,” said Hal.

For speech within speech, the other style is used as inner quotation marks:

'Hal said, "Good morning, Dave"', recalled Frank.
"Hal said, 'Good morning, Dave'", recalled Frank.

Sometimes quotations are nested in more levels than inner and outer quotation. Nesting levels up to five can be found in the Christian Bible.[12] In these cases, questions arise about the form (and names) of the quotation marks to be used. The most common way is to simply alternate between the two forms,[13] thus:

“ ... ‘ ... “ ... ‘ ... ’ ... ” ... ’ ... ”

If such a passage is further quoted in another publication, then all of their forms have to be shifted up by one level.

In most cases, quotations that span multiple paragraphs should be set as block quotations, and thus do not require quotation marks. Quotation marks are used for multiple-paragraph quotations in some cases, especially in narratives. The convention in English is to give opening quotation marks to the first and each subsequent paragraph, using closing quotation marks only for the final paragraph of the quotation, as in the following example from Pride and Prejudice:

The letter was to this effect:

"My dear Lizzy,

"I wish you joy. If you love Mr. Darcy half as well as I do my dear Wickham, you must be very happy. It is a great comfort to have you so rich, and when you have nothing else to do, I hope you will think of us. I am sure Wickham would like a place at court very much, and I do not think we shall have quite money enough to live upon without some help. Any place would do, of about three or four hundred a year; but however, do not speak to Mr. Darcy about it, if you had rather not.

"Yours, etc."

As noted above, in some older texts, the quotation mark is repeated every line, rather than every paragraph. The Spanish convention uses closing quotation marks at the beginning of all subsequent paragraphs beyond the first.

When quoted text is interrupted, such as with the phrase he said, a closing quotation mark is used before the interruption, and an opening quotation mark after. Commas are also often used before and after the interruption, more often for quotations of speech than for quotations of text:

“Hal”, said Frank, “everything is going extremely well.”

Quotation marks are not used for indirect speech. This is because indirect speech can be a paraphrase; it is not a direct quote, and in the course of any composition, it is important to document when one is using a quotation versus when one is just giving content, which may be paraphrased, and which could be open to interpretation.

For example, if Hal says: "All systems are functional", then, in indirect speech:

Incorrect: Hal said that “everything was going extremely well”.
Correct: Hal said that everything was going extremely well.

Irony
Main article: Scare quotes

Another common use of quotation marks is to indicate or call attention to ironic, dubious, or non-standard words:

He shared his "wisdom" with me.
The lunch lady plopped a glob of "food" onto my tray.
He complained about too many "gummint" regulations.

Quotes indicating verbal irony, or other special use, are sometimes called scare quotes. They are sometimes gestured in oral speech using air quotes, or indicated in speech with a tone change or by replacement with supposed[ly] or so-called.

Signalling unusual usage

Quotation marks are also used to indicate that the writer realises that a word is not being used in its current commonly accepted sense:

Crystals somehow "know" which shape to grow into.

In addition to conveying a neutral attitude and to call attention to a neologism, or slang, or special terminology (also known as jargon), quoting can also indicate words or phrases that are descriptive but unusual, colloquial, folksy, startling, humorous, metaphoric, or contain a pun: Dawkins's concept of a meme could be described as an "evolving idea".

People also use quotation marks in this way to distance the writer from the terminology in question so as not to be associated with it, for example to indicate that a quoted word is not official terminology, or that a quoted phrase presupposes things that the author does not necessarily agree with; or to indicate special terminology that should be identified for accuracy's sake as someone else's terminology, as when a term (particularly a controversial term) pre-dates the writer or represents the views of someone else, perhaps without judgement (contrast this neutrally distancing quoting to the negative use of scare quotes).

The Chicago Manual of Style, 17th edition (2017),[14] acknowledges this type of use but, in section 7.57, cautions against its overuse: "Quotation marks are often used to alert readers that a term is used in a nonstandard (or slang), ironic, or other special sense .... [T]hey imply 'This is not my term,' or 'This is not how the term is usually applied.' Like any such device, scare quotes lose their force and irritate readers if overused."

Use–mention distinction
Main articles: Use–mention distinction and Metalanguage

Either quotation marks or italic type can emphasise that an instance of a word refers to the word itself rather than its associated concept.

Cheese is derived from milk. (concept)
"Cheese" is derived from a word in Old English. (word)
Cheese has calcium, protein, and phosphorus. (concept)
Cheese has three Es. (word)

A three-way distinction is occasionally made between normal use of a word (no quotation marks), referring to the concept behind the word (single quotation marks), and the word itself (double quotation marks):

When discussing 'use', use "use".

The logic for this derives from the need to distinguish use forms, coupled with the mandate to retain consistent notation for like use forms.[15] The switching between double and single quotes in nested citation quotes reveals the same literary device for reducing ambiguity.

In linguistics

Precise writing about language often uses italics for the word itself and single quotation marks for a gloss, with the two not separated by a comma or other punctuation,[16] and with strictly logical quotation around the gloss – extraneous terminal punctuation outside the quotation marks – even in North American publications, which might otherwise prefer them inside:[17]

Latin ovis 'sheep', canis 'dog', and equus 'horse' are nouns.

Titles of artistic works

Quotation marks, rather than italics, are generally used for the titles of shorter works. Whether these are single or double depends on the context; however, many styles, especially for poetry, prefer the use of single quotation marks.

  • Short fiction, poetry, etc.: Arthur C. Clarke's "The Sentinel"
  • Book chapters: The first chapter of 3001: The Final Odyssey is "Comet Cowboy"
  • Articles in books, magazines, journals, etc.: "Extra-Terrestrial Relays", Wireless World, October 1945
  • Album tracks, singles, etc.: David Bowie's "Space Oddity"

As a rule, the title of a whole publication is italicised (or, in typewritten text, underlined), whereas the titles of minor works within or a subset of the larger publication (such as poems, short stories, named chapters, journal papers, newspaper articles, TV show episodes, video game levels, editorial sections of websites, etc.) are written with quotation marks.

Shakespeare's Romeo and Juliet
Dahl's short story "Taste" in Completely Unexpected Tales

Nicknames and false titles

Quotation marks can also set off a nickname embedded in an actual name, or a false or ironic title embedded in an actual title; for example, Nat "King" Cole, Frank "Chairman of the Board" Sinatra, or Simone Rizzo "Sam the Plumber" DeCavalcante.

Nonstandard usage

Quotes are sometimes used for emphasis in lieu of underlining or italics, most commonly on signs or placards. This usage can be confused with ironic or altered-usage quotation, sometimes with unintended humor. For example, For sale: "fresh" fish, "fresh" oysters, could be construed to imply that fresh is not used with its everyday meaning, or indeed to indicate that the fish or oysters are anything but fresh. As another example, Cashiers' desks open until noon for your "convenience" could be interpreted to mean that the convenience was for the bank employees, not the customers.[4][5]

Order of punctuation

With regard to quotation marks adjacent to periods and commas, there are two styles of punctuation in widespread use. These two styles are most commonly referred to as "American" and "British" (the latter of which is also called "logical quotation"). Both systems have the same rules regarding question marks, exclamation points, colons, and semicolons. However, they differ in the treatment of periods and commas.[18][19]

In all major forms of English, question marks, exclamation marks, semicolons, and any other punctuation (with the possible exceptions of periods and commas, as explained in the sections below) are placed inside or outside the closing quotation mark depending on whether they are part of the quoted material.[20]

Did he say, "Good morning, Dave"?
No, he said, "Where are you, Dave?"
There are three major definitions of the word "gender": vernacular, sociological, and linguistic.

British practice

The prevailing style in the United Kingdom – called British style,[18][20] logical quotation,[21] and logical punctuation[22] – is to include within quotation marks only those punctuation marks that appeared in the original quoted material and in which the punctuation mark fits with the sense of the quotation, but otherwise to place punctuation outside the closing quotation marks.[22] Fowler's A Dictionary of Modern English Usage provides an early example of the rule: "All signs of punctuation used with words in quotation marks must be placed according to the sense."[23] When dealing with words-as-words, short-form works and sentence fragments, this style places periods and commas outside the quotation marks:

"Carefree", in general, means "free from care or anxiety".
The title of the song was "Gloria", which many already knew.
She said she felt "free from care and anxiety".

When dealing with direct speech, British placement depends on whether or not the quoted statement is complete or a fragment. According to the British style guide Butcher's Copy-editing, American style should be used when writing fiction.[15] In non-fiction, some British publishers may permit placing punctuation that is not part of the person's speech inside the quotation marks but prefer that it be placed outside.[15] Periods and commas that are part of the person's speech are permitted inside the quotation marks regardless of whether the material is fiction.[15]

"Today," said Cinderella, "I feel free from care and anxiety." (fiction)
"Today", said the Prime Minister, "I feel free from care and anxiety." (preferred in non-fiction)
"Today I feel happy," said the woman, "carefree, and well." (regardless)

Hart's Rules and the Oxford Dictionary for Writers and Editors call the British style "new" quoting. It is also similar to the use of quotation marks in many other languages (including Portuguese, Spanish, French, Italian, Catalan, Dutch and German). A few US professional societies whose professions frequently employ various non-word characters, such as chemistry and computer programming, use the British form in their style guides (see ACS Style Guide).

According to the Jargon File from 1983, American hackers (members of a subculture of enthusiastic programmers) switched to what they later discovered to be the British quotation system because placing a period inside a quotation mark can change the meaning of data strings that are meant to be typed character-for-character.[24]

U.S. practice

In the United States, the prevailing style is called American style,[20] whereby commas and periods are almost always placed inside closing quotation marks.[25][26][27][28][29] The American style is used by most newspapers, publishing houses, and style guides in the United States and, to a lesser extent, Canada as well. It is the style recommended by the Modern Language Association's MLA Style Manual, the American Psychological Association's APA Publication Manual, the University of Chicago's The Chicago Manual of Style, the American Institute of Physics's AIP Style Manual, the American Medical Association's AMA Manual of Style, the American Political Science Association's APSA Style Manual, the Associated Press' The AP Guide to Punctuation, and the Canadian Public Works' The Canadian Style.[30]

However, some American style guides specific to certain specialties prefer the British style.[19] For example, the journal Language of the Linguistic Society of America requires that the closing quotation mark precede the period or comma unless that period or comma is "a necessary part of the quoted matter".[17] When dealing with words-as-words, short-form works, and sentence fragments, standard American style places periods and commas inside the quotation marks:

"Carefree," in general, means "free from care or anxiety."
The title of the song was "Gloria," which many already knew.
She said she felt "free from care and anxiety."

This style also places periods and commas inside the quotation marks when dealing with direct speech, regardless of whether the work is fiction or non-fiction:

"Today," said Cinderella, "I feel free from care and anxiety." (fiction)
"Today," said the Prime Minister, "I feel free from care and anxiety." (non-fiction)

Nevertheless, many American style guides explicitly permit periods and commas outside the quotation marks when the presence of the punctuation mark inside the quotation marks leads to ambiguity, such as when describing keyboard input, as in the following example:

In the programming language Pascal, the statement "end.", including the period/full stop, signifies the end of a program.

Ending the sentence

In both major styles, regardless of placement, only one end mark (?, !, or .) can end a sentence. Only the period, however, may not end a quoted sentence when it does not also end the enclosing sentence, except for literal text:[19][31][32]

"Hello, world," she said. (American style)
"Hello, world", she said. (British non-fiction)
She said, "Hello, world." (both styles)
"Hello, world!" she exclaimed. (both styles)
"Is anybody out there?" she asked into the void. (both styles)

With narration of direct speech, both styles retain punctuation inside the quotation marks, with a full stop changing into a comma if followed by explanatory text, also known as a dialogue tag. Americans tend to apply quotations when signifying doubt of veracity (sarcastically or seriously), to imply another meaning to a word or to imply a cynical take on a paraphrased quotation, without punctuation at all.

Typographical considerations

Single nested within double, or vice versa

British English often uses the single quotation mark as the outermost and double quote for nested quotations, where American English would use the double quotation mark as the outermost and single quote for nested.

British usage does vary, with some authoritative sources such as The Economist and The Times recommending the same usage as in the US,[33] whereas other authoritative sources, such as The King's English, recommend single quotation marks.[34] In journals and newspapers, quotation mark double/single use often depends on the individual publication's house style.

Spacing

In English, when a quotation follows other writing on a line of text, a space precedes the opening quotation mark unless the preceding symbol, such as an em dash, requires that there be no space. When a quotation is followed by other writing on a line of text, a space follows the closing quotation mark unless it is immediately followed by other punctuation within the sentence, such as a colon or closing punctuation. (These exceptions are ignored by some Asian computer systems that systematically display quotation marks with the included spacing, as this spacing is part of the fixed-width characters.)

There is generally no space between an opening quotation mark and the following word, or a closing quotation mark and the preceding word. When a double quotation mark or a single quotation mark immediately follows the other, proper spacing for legibility may suggest that a thin space ( ) or larger non-breaking space ( ) be inserted.

So Dave actually said, "He said, 'Good morning' "? (thin-space)
Yes, he did say, "He said, 'Good morning.' " (non-breaking space)

This is not common practice in mainstream publishing, which will generally use more precise kerning. It is more common in online writing, although using CSS to create the spacing by kerning is more semantically appropriate in Web typography than inserting extraneous spacing characters.

Straight quotation marks (or italicised straight quotation marks) are often used to approximate the prime and double prime, e.g. when signifying feet and inches or arcminutes and arcseconds. For instance, 5 feet and 6 inches is often written 5' 6"; and 40 degrees, 20 arcminutes, and 50 arcseconds is written 40° 20' 50". When available, however, primes should be used instead (e.g. 5′ 6″, and 40° 20′ 50″). Prime and double prime are not present in most code pages, including ASCII and Latin-1, but are present in Unicode, as characters U+2032 ′ PRIME and U+2033 ″ DOUBLE PRIME. The HTML character entity references are ′ and ″, respectively.

Double quotation marks, or pairs of single ones, also represent the ditto mark.

Straight single and double quotation marks are used in most programming languages to delimit strings or literal characters, collectively known as string literals. In some languages (e.g. Pascal) only one type is allowed, in some (e.g. C and its derivatives) both are used with different meanings and in others (e.g. Python) both are used interchangeably. In some languages, if it is desired to include the same quotation marks used to delimit a string inside the string, the quotation marks are doubled. For example, to represent the string eat 'hot' dogs in Pascal one uses 'eat ''hot'' dogs'. Other languages use an escape character, often the backslash, as in 'eat \'hot\' dogs'.

In the TeX typesetting program, left double quotes are produced by typing `` (two back-ticks) and right double quotes by typing two apostrophes.

Typing quotation marks on a computer keyboard

Standard English computer keyboard layouts inherited the single and double straight quotation marks from the typewriter (the single quotation mark also doubling as an apostrophe), and they do not include individual keys for left-handed and right-handed typographic quotation marks. In character encoding terms, these characters are labeled unidirectional. However, most computer text-editing programs provide a "smart quotes" feature (see below) to automatically convert straight quotation marks into bidirectional punctuation. Generally, this smart quote feature is enabled by default, and it can be turned off in an "options" or "preferences" dialog. Some websites do not allow typographic quotation marks or apostrophes in posts. One can skirt these limitations, however, by using the HTML character codes or entities.[35]

How to type typographic quotation marks (and apostrophes) on a computer keyboard
  Windows Alt code combinations Macintosh key combinations Linux (X) keys Unicode point HTML entity HTML decimal
Single opening  ‘  Alt+0145 (on number pad) ⌥ Opt+] Compose+<+' or Alt Gr+⇧ Shift+V U+2018 &lsquo; &#8216;
Single closing
(& apostrophe[36][37])		  ’  Alt+0146 (on number pad) ⌥ Opt+⇧ Shift+] Compose+>+' or Alt Gr+⇧ Shift+B U+2019 &rsquo; &#8217;
Double opening  “  Alt+0147 (on number pad) ⌥ Opt+[ Compose+<+" or Alt Gr+v U+201C &ldquo; &#8220;
Double closing  ”  Alt+0148 (on number pad) ⌥ Opt+⇧ Shift+[ Compose+>+" or Alt Gr+b U+201D &rdquo; &#8221;

Smart quotes

To make typographic quotation marks easier to enter, publishing software often automatically converts typewriter quotation marks (and apostrophes) to typographic form during text entry (with or without the user being aware of it). Out-of-the-box behavior on macOS and iOS is to make this conversion. These are known as smart quotes (“...”). Straight quotation marks are also retronymically called dumb quotes ("...").[38]

The method for producing smart quotes may be based solely on the character preceding the mark; if it is a space or another of a set of hard-coded characters, the mark is rendered as an opening quote on the assumption that such a mark would never occur inside or after a word; and if not, it is rendered as a closing quote or apostrophe. This method can cause errors, especially for contractions that start with an apostrophe. For example, it fails to correctly render the abbreviation for 2014 as ’14 (instead rendering as ‘14), or the archaic contraction of it is as ’tis (instead rendering as ‘tis). Errors may also be encountered with nested quotation marks, with “ ‘Hello,’ he said, ‘to you’ ” incorrectly rendered as either “ ‘Hello,’ he said, ‘to you’ “ or “ ’Hello,’ he said, ‘to you’ ” depending on whether closing quotation marks are included in the set of characters that trigger an opening quotation mark.

gollark: It is inevitable.
gollark: Edge is basically just Chromium now anywya.
gollark: They like backward compatibility so obviously there'll just be some sort of extreme WINE thing.
gollark: See, MS likely doesn't want to maintain their own kernel and stuff. The implications are obviously obvious: MS is looking to port Windows to run on the Linux kernel, and thingying Edge is a test.
gollark: Or a test for the confusing future of Windows for Linux™.

See also

References
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  2. Hayes, Andrea. Language Toolkit for New Zealand 2, Volume 2. p. 17. ISBN 1107624703.
  3. Barber, Katherine, ed. (2005). Canadian Oxford Dictionary (2nd ed.). Oxford University Press. ISBN 0-19-541816-6.
  4. English Department (26 July 1999). The Basic Elements of English. Calgary, Alberta, Canada: University of Calgary. "Punctuation 3.8". Retrieved 21 December 2018.
  5. Zwicky, Arnold (29 January 2006). "Dubious Quotation Marks". itre.cis.upenn.edu. Retrieved 21 December 2018.
  6. "Smart" apostrophes The Chicago Manual of Style Online (17th ed.). Part 2, Chapter 6.117. Retrieved 3 January 2019. Subscription required (free trial available).
  7. Chagnon, Bevi (December 2013). "Fonts, Typography, and Accessibility". Retrieved 3 January 2019.
  8. Bringhurst, Robert (2002). The Elements of Typographic Style. ver. 2.5. Point Roberts, Washington: Hartley & Marks. p. 86. ISBN 978-0-88179-132-7.
  9. Higgins, John (1587). The Mirror for Magistrates.
  10. Truss, Lynne (2003). Eats, Shoots & Leaves. p. 151. ISBN 1-59240-087-6.
  11. Trask, R. L. (1997). The Penguin Guide to Punctuation. p. 94. ISBN 9780140513660.
  12. Jeremiah 27:1-11; 29:1-28; 29:30-32; 34:1-5; Ezekiel 27:1-36
  13. Stilman, Ann (1997). Grammatically Correct. p. 181. ISBN 978-0-89879-776-3.
  14. "The Chicago Manual of Style Online". University of Chicago Press. Section 7.57. Retrieved 21 December 2018.
  15. Butcher, Judith; Drake, Caroline; Leach, Maureen (2006). Butcher's Copy-editing: The Cambridge Handbook for Editors, Copy-editors and Proofreaders (4th ed.). Cambridge, England: Cambridge University Press. p. 273. ISBN 978-0-521-84713-1.
  16. "Style Sheet", Language Acquisition: A Journal of Developmental Linguistics, (undated), p. 2
  17. "Language Style Sheet" (PDF). Language. Washington DC: Linguistic Society of America. 2015. Retrieved 21 December 2018. 4. Punctuation: a. ... The second member of a pair of quotation marks should precede any other adjacent mark of punctuation, unless the other mark is a necessary part of the quoted matter .... 6. Cited Forms: ... e. After the first occurrence of non-English forms, provide a gloss in single quotation marks: Latin ovis ‘sheep’ is a noun. No comma precedes the gloss and no comma follows, unless necessary for other reasons: Latin ovis ‘sheep’, canis ‘dog’, and equus ‘horse’ are nouns.
  18. Scientific Style and Format: The CBE Manual for Authors, Editors and Publishers. Council of Biology Editors / Cambridge University Press. 2002. ISBN 9780521471541. Retrieved 21 December 2018. In the British style (OUP 1983), all signs of punctuation used with words and quotation marks must be placed according to the sense.
  19. "The Chicago Manual of Style Online". University of Chicago Press. Sections 6.9-6.11. Retrieved 21 December 2018.
  20. Lee, Chelsea (11 August 2011). "Punctuating Around Quotation Marks". APA Style Blog. American Psychological Association. Retrieved 21 December 2018.
  21. "Journal of Irish and Scottish Studies" (PDF). University of Aberdeen, Scotland: Research Institute of Irish and Scottish Studies. 2008. Retrieved 21 December 2018. Punctuation marks are placed inside the quotation marks only if the sense of the punctuation is part of the quotation; this system is referred to as logical quotation.
  22. Yagoda, Ben (12 May 2011). "The Rise of "Logical Punctuation"". Slate. Retrieved 21 December 2018.
  23. Burchfield, R. W., ed. (1996). The New Fowler's Modern English Usage (3rd ed.). Oxford University Press. p. 646. Emphasis in original.
  24. "The Jargon File, Chapter 5. Hacker Writing Style". www.catb.org. Retrieved 7 November 2010.
  25. "Punctuation". The Associated Press Stylebook. p. 337.
  26. The Chicago Manual of Style Online: Q&A. Retrieved 21 December 2018.
  27. Strunk, Jr., William; White, E. B. (2000). The Elements of Style (4 ed.). Pearson Education Company. p. 36. ISBN 9780205313426.
  28. McFarlane, J. A. (Sandy); Clements, Warren (2003). The Globe and Mail Style Book (9th ed.). p. 237. ISBN 978-0771056857.
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  30. Other style guides and reference volumes include the following: U.S. Government Printing Office Style Manual (2008, p. 217), US Department of Education's IES Style Guide (2005, p. 43), The Canadian Style: A Guide to Writing and Editing (1997, p. 148), International Committee of Medical Journal Editors, International Reading Association Style Guide, American Dialect Society, Association of Legal Writing Directors' ALWD Citation Manual, The McGraw-Hill Desk Reference by K. D. Sullivan (2006, p. 52), Webster's New World Punctuation by Geraldine Woods (2005, p. 68), The New Oxford Guide to Writing by Thomas S. Kane (1994, pp. 278, 305, 306), Merriam-Webster's Manual for Writers and Editors by Merriam-Webster (1998, p. 27), Simon & Schuster Handbook for Writers by Lynn Troyka, et al. (1993, p. 517), Science and Technical Writing by Philip Rubens (2001, p. 208), Health Professionals Style Manual by Shirley Fondiller and Barbara Nerone (2006, p. 72), The Gregg Reference Manual by William A. Sabin (2000, p. 247), The Blue Book of Grammar and Punctuation by Jane Straus(2007, p. 61), The New York Times Manual of Style and Usage by Allan M. Siegal, The New York Times Guide to Essential Knowledge (2004, p. 788), The Copyeditor's Handbook by Amy Einsohn (2000, p. 111), The Grammar Bible by Michael Strumpf, Auriel Douglas (2004, p. 446), Elements of Style by William Strunk and Elwyn B. White (1979, p. 36), Little English Handbook by Edward P. J. Corbett (1997, p. 135), Commonsense Grammar and Style by Phillip S. Sparks (2004, p. 18), Handbook of Technical Writing by Gerald Alred et al. (2006, pp. 83, 373), MIT Guide To Science and Engineering Communication by J. Paradis and M. L. Zimmerman (2002, p. 314), Guide to Writing Empirical Papers by G. David Garson (2002, p. 178), Modern English by A. L. Lazarus, A. MacLeish, and H. W. Smith (1971, p. 71), The Scott Foresman Handbook for Writers (8th ed.) by John Ruszkiewicz et al., Comma Sense by Richard Lederer, John Shore (2007, p. 138), Write right! by Jan Venolia (2001, p. 82), Scholastic Journalism by Earl English and Clarence Hach (1962. p. 75), Grammar in Plain English by Harriet Diamond and Phyllis Dutwin (2005, p. 199), Crimes Against the English Language by Jill Meryl Levy (2005, p. 21), The Analytical Writer by Adrienne Robins (1997, p. 524), Writing with a Purpose by James McNab McCrimmon (1973, p. 415), Writing and Reporting News by Carole Rich (2000, p. 60), The Lawyer's Guide to Writing Well by Tom Goldstein (2003, p. 163), Woodroof's Quotations, Commas And Other Things English by D. K. Woodroof (2005, pp. 10–12), Journalism Language and Expression by Sundara Rajan (2005, p. 76), The Business Writer's Handbook by Gerald Alred et al. (2006, p. 451), The Business Style Handbook by Helen Cunningham (2002, p. 213), Essentials of English by Vincent Hopper (2000, p. 127).
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  32. Merriam-Webster (2001). Merriam-Webster's Guide to Punctuation and Style (2nd ed.). ISBN 978-0-87779-921-4.
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