Cita APA (7a ed.)

Philadelphia, Pa., Citizens Crime Commission, & Philadelphia, P. C. C. C. (1980). Study of police departments in five major cities.

Cita Chicago Style (17a ed.)

Philadelphia, Pa., Citizens Crime Commission, y Pa. Citizens Crime Commission Philadelphia. Study of Police Departments in Five Major Cities. Philadelphia, 1980.

Cita MLA (8a ed.)

Philadelphia, Pa., Citizens Crime Commission, y Pa. Citizens Crime Commission Philadelphia. Study of Police Departments in Five Major Cities. 1980.