Style de citation APA

Welzer, H. (2008). On killing and morality: How normal people become mass murderers. Ordinary people as mass murderers.

Style de citation Chicago

Welzer, Harald. "On Killing and Morality: How Normal People Become Mass Murderers." Ordinary People as Mass Murderers 2008.

Style de citation MLA

Welzer, Harald. "On Killing and Morality: How Normal People Become Mass Murderers." Ordinary People as Mass Murderers, 2008.

Attention : ces citations peuvent ne pas être correctes à 100%.