AP Stylebook Highlights

States

The names of states are spelled out except in datelines and political identifiers (Sen. Elizabeth Warren, D-Mass.)

AP does not use postal abbreviations (Mass. not MA)

Cities

Most cities and towns are also identified by state (Annapolis, Maryland)

Many large cities do not need a state in the dateline or article - under "Datelines" in the style book (New York, Boston, Miami, Los Angles, etc.)

Numerals

Spell out numbers zero through nine and use numerals for 10 and up.

Ages are always numerals (5-year-old boy)

Percentages always take a numeral (6%)

Numerals with millions and billions

Money always takes the dollar sign, cents sign is never used

Politics

unofficial titles are akin to job descriptions, lowercase

spell out united states when it used as a noun

the abbreviation U.S. is sufficient when used as an a adjective

Punctuation

Commas and periods go inside quotation marks

Use double quotes unless used with inside quotes

No serial (Oxford) commas

no commas with Jr.

Time

1 p.m. or 10:15 a.m. not 1 o'clock in the afternoon or quarter after 10

Dates

months are spelled out when used without a date

months are abbreviated when used with a date

do not use st, nd, rd, th with a date

do not specify year unless its in the past or future

Addresses

Street names are spelled out when not used with a specific address

street names are abbreviated when used with a specific address

Possessives

possessive of a proper name ending in s uses apostrophe only (Fred Jones' car...)

titles

Names of newspapers, websites, and magazines are rendered without any punctuation or italicization (The Boston Globe)

Names of books, movies, tv shows, albums, songs, video games should be in quotation marks

People

people are referred to only by their last name on second references