Cita APA (7a ed.)

Alvarez, A., & Bachman, R. (2014). Violence: The enduring problem (2. ed.). SAGE.

Cita Chicago Style (17a ed.)

Alvarez, Alex, y Ronet Bachman. Violence: The Enduring Problem. 2. ed. Los Angeles [u.a.]: SAGE, 2014.

Cita MLA (8a ed.)

Alvarez, Alex, y Ronet Bachman. Violence: The Enduring Problem. 2. ed. SAGE, 2014.