APA Style

Klassen, Jon. (2011). I want my hat back (1st U.S. board book ed.). Massachusetts: Candlewick Books.

Chicago Style

Klassen, Jon. I want my hat back. 1st U.S. board book ed. Massachusetts: Candlewick Books, 2011. Text.

MLA Style

Klassen, Jon. I want my hat back. 1st U.S. board book ed. Massachusetts: Candlewick Books, 2011. Text.

Turabian Style

Klassen, Jon. I want my hat back. 1st U.S. board book ed. Massachusetts: Candlewick Books, 2011. Print.