APA (7th ed.) Citation

Klassen, J. (2011). I want my hat back (First edition.). Candlewick Press.

Chicago Style (17th ed.) Citation

Klassen, Jon. I Want My Hat Back. First edition. Somerville, Mass.: Candlewick Press, 2011.

MLA (8th ed.) Citation

Klassen, Jon. I Want My Hat Back. First edition. Candlewick Press, 2011.

Warning: These citations may not always be 100% accurate.