Italics
- Book and journal titles
- Foreign words (except commonly used)
- Song, article and poem titles
- Catch phrases and slogans
- Spell one through nine
- Numerals 10 and above
- Percent in numbers (40 percent)
- Dollars: $10, nine dollars
- 100 degrees Fahrenheit
- 1903–1904
- 1930s
- 19th-century army; developed during the 19th century
- Ages in numerals if greater than nine (and hyphenated): eight-year-old; 11-year-old son; 11 years old
- Runs of numbers all in numerals (42 killed, 112 wounded, 7 deported . . .)
- Do not begin sentences with a numeral (use “Three” instead of “3”)
- One space after periods
- Spell out titles (Lieutenant, General, Governor, President) prior to a surname. Titles are normally lower case if they do not precede a person’s name (President Roosevelt; Theodore Roosevelt was president). Abreviate title (Lt., Gen., Gov.) prior to a given name (Gen. William Jackson Palmer).
- Spell out months (Use “September” instead of “Sept.”)
- Ellipses between phrases are made with three periods separated by spaces (. . .)
- Ellipses between sentences, or a sentence and a phrase are made with four periods separated by spaces, with the first period immediately after the first sentence. . . . as demonstrated
- Do not use ellipses at the beginning or end of a quote
- Use brackets [ ] to indicate writer’s additions within quotes
- Place period and commas within the quote marks “like this.”
- Do not make every sentence a new paragraph
- Do not use contractions