APA (7th ed.) Citation

Hills, T. (2008). What's up, Duck?: A book of opposites. Schwartz & Wade Books.

Chicago Style (17th ed.) Citation

Hills, Tad. What's Up, Duck?: A Book of Opposites. New York: Schwartz & Wade Books, 2008.

MLA (8th ed.) Citation

Hills, Tad. What's Up, Duck?: A Book of Opposites. Schwartz & Wade Books, 2008.

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