APA (7th ed.) Citation

Baumeister, R. F. The Holocaust and the Four Roots of Evil. Understanding genocide : the social psychology of the Holocaust.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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