Cita APA (7a ed.)

Getzel, G. S. (1988). Violence: Prevention and treatment in groups. Haworth.

Cita Chicago Style (17a ed.)

Getzel, George S. Violence: Prevention and Treatment in Groups. New York [u.a.]: Haworth, 1988.

Cita MLA (9a ed.)

Getzel, George S. Violence: Prevention and Treatment in Groups. Haworth, 1988.