Cita APA (7a ed.)

Tonry, M. H., & Morris, N. (1992). Modern policing. University.

Cita Chicago Style (17a ed.)

Tonry, Michael H., y Norval Morris. Modern Policing. Chicago [etc.]: University, 1992.

Cita MLA (9a ed.)

Tonry, Michael H., y Norval Morris. Modern Policing. University, 1992.