APA (7th ed.) Citation

Staub, E. (2002). The psychology of bystanders, perpetrators, and heroic helpers. Understanding genocide.

Chicago Style (17th ed.) Citation

Staub, Ervin. "The Psychology of Bystanders, Perpetrators, and Heroic Helpers." Understanding Genocide 2002.

MLA (8th ed.) Citation

Staub, Ervin. "The Psychology of Bystanders, Perpetrators, and Heroic Helpers." Understanding Genocide, 2002.

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