Use double quotation marks — singles are only for “quotes within quotes”:
“I can sing ‘Twinkle, Twinkle, Little Star’ all by myself,” the little girl said.
What quote marks are for:
- Quotations (duh)
- Titles of movies, plays, songs, TV shows, books (but not magazines, newspapers or reference works)
- Nicknames (e.g., Thomas “Tip” O’Neill)
- Irony/sarcasm/playfulness (My friend’s “party” was nothing but a sales pitch for those “miracle creams” she sells. My son made a “spaceship” out of a cardboard box.)
What quote marks are not for:
Emphasis. If you want a word or phrase to stand out, put it in bold, all caps, a larger font, a contrasting color or all of the above – NOT in quotes. (See what we did there?) There is a special place in Copy Crank Hell for those who misuse both quote marks and apostrophes as attention getters (“New Car’s” for sale! Don’t miss out on our “Big Deal’s”!).