Cita APA (7a ed.)

Purpura, P. P. (1997). Criminal justice: An introduction. Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

Purpura, Philip P. Criminal Justice: An Introduction. Boston [u.a.]: Butterworth-Heinemann, 1997.

Cita MLA (8a ed.)

Purpura, Philip P. Criminal Justice: An Introduction. Butterworth-Heinemann, 1997.