AP Style Guide 2015 - Associated Press Cheat Sheet

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By far, the style I use most often is the Associated Press style. The book in my office is positively ragged. In addition, my walls and screen are covered with sticky notes reminding me of my most common errors when it comes to AP style. But your office need not be so messy, and you don't need to outlay the cost of the book itself. AP is quite generous in providing notes, cheat sheets and guidance for all. In fact, here is a comprehensive "cheat sheet" for you to bookmark!

*Update: Since this article first published, AP has updated some of their recommendations. Perhaps it is best to simply buy the book or join the site, and take the cost as a tax write-off! Alternatively, you can wait for the newest version to generate some cheat sheets online. I'll also update as soon as I can.

Abbreviating Words

  • Use only the most commonly recognized abbreviations. The most common, such as NASA, FBI, and CIA, can be used on all references. Less well-known but still common ones such as OSHA and NATO can be used after you spell out the full name on the first mention. In most cases, however, the stylebook suggests using a generic reference such as the agency or the alliance for all references after the first.
  • Don’t put unfamiliar abbreviations in parentheses after the first reference (for example, “The American Copy Editors Society (ACES) …”) Instead either repeat the full name on subsequent references or use a generic reference, such as the society.
  • Use an apostrophe and spell out academic degrees: “She holds a bachelor’s degree.” Use abbreviations for degrees only when you need to include a list of credentials after a name; set them off with commas: “Peter White, LL.D., Ph.D., was the keynote speaker.”
  • Abbreviate junior or senior directly after a name, with no comma to set it off: Justin Wilson Jr.
  • Spell out the names of all states when used alone: “He lives in Montana.” Abbreviate state names of seven or more letters when used with a city name, with commas before and after the abbreviation: “Pittsburgh, Pa., is a great weekend getaway spot for people who live in Youngstown, Ohio.” You’ll find the list of acceptable abbreviations under State Names in the stylebook.
  • Be sure to use the stylebook abbreviations and not the U.S. Postal Service abbreviations for states unless you are providing a full address including ZIP code: “Send contributions to Relief Fund, Box. 185, Pasadena, CA 91030.”
  • Spell out the name of a month when it is used without a specific date: “August is too hot for a visit to Florida.” Abbreviate months with six or more letters if they are used with a specific date: Sept. 28. Always spell out those with five or fewer letters: May 15. See the list of preferred abbreviations under Months in the stylebook.
  • Spell out titles used alone: “She was the first female senator from her state.” Abbreviate and capitalize most titles when they are used directly before a name: “Sen. Boxer posed hard questions for Rice.” To determine if a title is abbreviated, look for an entry for it in the stylebook or check the listing under Titles.
  • Spell out titles with names used in direct quotes with the exception of Dr., Mr., and Mrs.: “Governor Pawlenty is obviously no Jesse Ventura,” she said.
  • Spell out all generic parts of street names (avenue, north, road) when no specific address is given: “The festival will be held on South Charles Street.” When a number is used, abbreviate avenue (Ave.), boulevard (Blvd.), street (St.) and directional parts of street names: “The suspect was identified as Michael Shawn of 1512 N. Mission St.”
  • In writing news stories, never abbreviate:
    • The days of the week.
    • Percent as %.
    • Cents as ¢.
    • And as & unless it is an official part of a name.
    • Christmas as Xmas.


The AP Stylebook uses what’s known as downstyle; that is, words are lowercased unless a rule says to capitalize them. If you can’t find a rule for capitalizing a word in the stylebook, use it in lowercase.

Most of the capitalization rules should be familiar to you.

  • Capitalize common nouns such as party, river, and street when they are part of a proper name for a place, person or thing: the Libertarian Party, the Ohio River. But lowercase these common nouns when they stand alone or in subsequent references: “The party did not have a candidate for president,” “She nearly drowned in the river.” Lowercase all plural uses of common nouns: the Libertarian and Green parties, the Monongahela and Ohio rivers.
  • Lowercase the names of the seasons unless they are used in a proper name: the Summer Olympics.
  • Lowercase the word room except when used with the number of the room or when part of the name of a specially designated room: Room 315, the Lincoln Room.
  • Lowercase directional indicators except when they refer to specific geographic regions or popularized names for those regions: the Northeast; the Midwest.
  • Lowercase formal titles that appear on their own or follow a name (in the latter case, they should be set off by commas). Capitalize formal titles that come directly before a name: “The students were delighted when they heard they would meet President Bush.” Never capitalize job descriptions: shortstop, police officer, attorney and so on.


The AP Stylebook entry for numerals is deceptively short. A close look reveals that there are plenty of rules hiding among the many cross-references. The most common are:

  • In general, spell out numbers one through nine and use figures for numbers 10 on up. There are many exceptions that always take figures, however. Most, but not all, involve units of measurement. Common exceptions include:
  • Addresses: 7 Park Place.
  • Ages, but not for inanimate objects: The 4-year-old cat, the four-year-old car.
  • Cents: 8 cents.
  • Dollars: $3. Notice that AP style does not include a period and two zeroes when referring to an even dollar figure.
  • Dates: March 4. Notice that dates take cardinal numbers, not ordinal numbers (don’t use 4th).
  • Dimensions: 5 foot 2, 5-by-9 cell.
  • Highways: Route 7.
  • Millions, billions: 6 billion people.
  • Percentages: 1 percent. Notice that percent is one word.
  • Speed: 8 mph.
  • Temperatures: 2 degrees.
  • Times: 4 p.m. Notice that AP style does not include a colon and two zeroes when referring to an even hour.
  • Spell out numbers used at the beginning of a sentence: “Ten thousand people marched on the capital.” Exception: Never spell out years: “1999 was a terrible year for technology companies.”
  • Use commas to set off each group of three digits in numerals higher than 999 (except for years and addresses): 12,650.
  • Use decimals (up to two places) for amounts in the millions and billions that do not require a precise figure: $3.74 billion.
  • Add an s but no apostrophe to a number to make it plural: “She kept rolling 7s.” The same rule applies to decades: the 1980s. Use an apostrophe on a decade only if cutting off the initial figures: the ’80s.

Punctuation and Miscellaneous

For the most part, AP style follows the same rules of punctuation as you were taught in grade school. There are some important exceptions, however:

  • Don’t use a comma before a conjunction in a simple series. A simple series is defined as one in which no elements contain the words and or or: “The dinner choices were chicken, cod or beef.” Use a comma for series that include elements containing and or or: “The menu offered a choice of bacon and eggs, pancakes, or waffles.”
  • Use a semicolon to clarify a series that includes a number of commas. Include a semicolon before the conjunction: Parts for the carrier are made in Tampa, Fla.; Austin, Texas; and Baton Rouge, La.

Other Common Style Rules

  • Use a person’s full name on the first reference. On subsequent references, use only his or her last name with no title. Second and following references to a married couple should refer to them as Mr. And Mrs.: “Mr. and Mrs. Oakes will honeymoon in Las Vegas.” In stories in which two people share the last name, use full names on each reference.
  • Time should be expressed as a figure followed by a.m. or p.m.: 8:33 p.m. You do not have to add other words (night, morning, and so on) to distinguish between day and night. Use noon or midnight rather than 12 p.m. or 12 a.m.
  • Use hyphens to link all the words in a compound adjective: “The five-volume report called for cleaning up the area over a 10-year period.” Do not use a hyphen if the construction includes very or an adverb ending in –ly: a very big project, barely legal procedures.
  • To form a plural of a single letter, use s and an apostrophe: “All the B’s lined up to the right.” To form a plural of multiple letters, add s with no apostrophe: “She mastered her ABCs in little time.”
  • To form the plural of words made out of a group of letters, add the letter s: CDs, ABCs, TVs.
  • Titles of books, movies, recordings, television shows and similar works are set off in quotation marks, with all principal words capitalized: “Harry Potter and the Deathly Hallows,” “Letters from Iwo Jima,” “Memory Almost Full,” “Grey’s Anatomy.” Titles of magazines, newspapers and reference works get no special treatment: Newsweek, The Boston Globe, The Associated Press Stylebook.
  • According to AP, its Web site and ZIP code.

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