APA (7th ed.) Citation

Halpern, J. (2012). Have a nice day. Feiwel and Friends.

Chicago Style (17th ed.) Citation

Halpern, Julie. Have a Nice Day. New York: Feiwel and Friends, 2012.

MLA (8th ed.) Citation

Halpern, Julie. Have a Nice Day. Feiwel and Friends, 2012.

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