APA (7th ed.) Citation

Hudley, C. (2008). You did that on purpose: Understanding and changing children's aggression. Yale University Press.

Chicago Style (17th ed.) Citation

Hudley, Cynthia. You Did That on Purpose: Understanding and Changing Children's Aggression. New Haven: Yale University Press, 2008.

MLA (9th ed.) Citation

Hudley, Cynthia. You Did That on Purpose: Understanding and Changing Children's Aggression. Yale University Press, 2008.