Cita APA (7a ed.)

Alvarez, A., & Bachman, R. (2008). Violence: The enduring problem. Sage.

Cita Chicago Style (17a ed.)

Alvarez, Alex, y Ronet Bachman. Violence: The Enduring Problem. Los Angeles [u.a.]: Sage, 2008.

Cita MLA (9a ed.)

Alvarez, Alex, y Ronet Bachman. Violence: The Enduring Problem. Sage, 2008.