APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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