Cita APA (7a ed.)

Valent, P. (2020). Heart of violence: Why people harm each other. Arden.

Cita Chicago Style (17a ed.)

Valent, Paul. Heart of Violence: Why People Harm Each Other. North Melbourne, Vic: Arden, 2020.

Cita MLA (9a ed.)

Valent, Paul. Heart of Violence: Why People Harm Each Other. Arden, 2020.