Cita APA (7a ed.)

Cromwell, P. F., & Cromwell, P. F. (1985). Probation and parole in the criminal justice system (2. ed.). West Publ. Co.

Cita Chicago Style (17a ed.)

Cromwell, Paul F., y Paul F. Cromwell. Probation and Parole in the Criminal Justice System. 2. ed. St. Paul, Minn. [u.a.]: West Publ. Co, 1985.

Cita MLA (8a ed.)

Cromwell, Paul F., y Paul F. Cromwell. Probation and Parole in the Criminal Justice System. 2. ed. West Publ. Co, 1985.