APA-Zitierstil (7. Ausg.)

Cullen, E. (2020). American evil: The psychology of serial killers. Waterside Press.

Chicago-Zitierstil (17. Ausg.)

Cullen, Eric. American Evil: The Psychology of Serial Killers. Hook: Waterside Press, 2020.

MLA-Zitierstil (9. Ausg.)

Cullen, Eric. American Evil: The Psychology of Serial Killers. Waterside Press, 2020.