Italics:

Follow convention when italicizing titles:

Books: The Human Stain, If You Can’t Live Without Me Why Aren’t You Dead Yet?

Magazines: Vogue, Wired, GQ

Newspapers: The New York Times, The New York Post, The Christian Science Monitor

Pamphlets: The Watchtower, Five Facts to Know About Heroin

Long Poems: Paradise Lost, Cantos

Plays: The Dollhouse, Glengarry Glen Ross

Films: The Heiress; Dude, Where’s My Car?

Radio Shows: Fresh Air

Musical Compositions: Tommy

Dance Works: Swan Lake

Visual Art Works: Broadway Boogie Woogie

Comic Strips: Calvin and Hobbes

Databases: Nexus

Websites: Elimanningsucks.com

Video Games: Grand Theft Auto IV

Italicize spacecraft, aircraft, ship, and train names:

Spruce Goose, The Orient Express, The Titanic, Apollo 13

Italicize foreign words when using them in English sentences.

He is one faux pas away from having zero friends.

Jose called his girlfriend muy tonto, meaning she was a fool.

Italicize words mentioned as words and numbers mentioned as numbers.

When Cleopatra said she could date me, she used could as a substitute for no way.

When the unmarried Hester Prynn became visibly pregnant, the townspeople forced her to sew the letter A—for adulteress–to her dress.