Cita APA (7a ed.)

Liebert, J., & Birnes, W. J. (2011). Suicidal mass murderers: A criminological study of why they kill. CRC Press.

Cita Chicago Style (17a ed.)

Liebert, John, y William J. Birnes. Suicidal Mass Murderers: A Criminological Study of Why They Kill. Boca Raton [u.a.]: CRC Press, 2011.

Cita MLA (9a ed.)

Liebert, John, y William J. Birnes. Suicidal Mass Murderers: A Criminological Study of Why They Kill. CRC Press, 2011.