Cita APA (7a ed.)

Hoffman, A. M., & Summers, R. W. (2001). Teen violence: A global view (1. publ.). Greenwood Press.

Cita Chicago Style (17a ed.)

Hoffman, Allan M., y Randal W. Summers. Teen Violence: A Global View. 1. publ. Westport, Conn. [u.a.]: Greenwood Press, 2001.

Cita MLA (8a ed.)

Hoffman, Allan M., y Randal W. Summers. Teen Violence: A Global View. 1. publ. Greenwood Press, 2001.