APA (7th ed.) Citation

Baumeister, R. F. (2002). The Holocaust and the four roots of evil. Understanding genocide.

Chicago Style (17th ed.) Citation

Baumeister, Roy F. "The Holocaust and the Four Roots of Evil." Understanding Genocide 2002.

MLA (8th ed.) Citation

Baumeister, Roy F. "The Holocaust and the Four Roots of Evil." Understanding Genocide, 2002.

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