APA (7th ed.) Citation

Walsh, D. (2004). Why do they act that way. Free Press.

Chicago Style (17th ed.) Citation

Walsh, David. Why Do They Act That Way. New York: Free Press, 2004.

MLA (9th ed.) Citation

Walsh, David. Why Do They Act That Way. Free Press, 2004.

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