Cita APA (7a ed.)

Wrobleski, H. M., & Hess, K. M. (1990). Introduction to law enforcement and criminal justice (3. ed.). West Pub. Co.

Cita Chicago Style (17a ed.)

Wrobleski, Henry M., y Kären M. Hess. Introduction to Law Enforcement and Criminal Justice. 3. ed. St. Paul [u.a.]: West Pub. Co, 1990.

Cita MLA (8a ed.)

Wrobleski, Henry M., y Kären M. Hess. Introduction to Law Enforcement and Criminal Justice. 3. ed. West Pub. Co, 1990.