Cita APA (7a ed.)

Katz, C. M. (1997). Police and gangs: A study of police gang unit.

Cita Chicago Style (17a ed.)

Katz, Charles M. Police and Gangs: A Study of Police Gang Unit. 1997.

Cita MLA (8a ed.)

Katz, Charles M. Police and Gangs: A Study of Police Gang Unit. 1997.