APA (7th ed.) Citation

Sapolsky, R. M. (2004). Why zebras don't get ulcers (Third edition.). Times Books.

Chicago Style (17th ed.) Citation

Sapolsky, Robert M. Why Zebras Don't Get Ulcers. Third edition. New York: Times Books, 2004.

MLA (9th ed.) Citation

Sapolsky, Robert M. Why Zebras Don't Get Ulcers. Third edition. Times Books, 2004.

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