Cita APA (7a ed.)

Weatherby, G. A. (2018). Six cases of mass murder - Columbine, Virginia Tech, Aurora Movie Theatre, Sandy Hook, Pulse Nightclub, Las Vegas: Explaining why people kill. The Edwin Mellen Press.

Cita Chicago Style (17a ed.)

Weatherby, Georgie Ann. Six Cases of Mass Murder - Columbine, Virginia Tech, Aurora Movie Theatre, Sandy Hook, Pulse Nightclub, Las Vegas: Explaining Why People Kill. Lewiston Lampeter: The Edwin Mellen Press, 2018.

Cita MLA (8a ed.)

Weatherby, Georgie Ann. Six Cases of Mass Murder - Columbine, Virginia Tech, Aurora Movie Theatre, Sandy Hook, Pulse Nightclub, Las Vegas: Explaining Why People Kill. The Edwin Mellen Press, 2018.