Cita APA (7a ed.)

Hess, K. M., & Orthmann, C. M. H. (2011). Police operations: Theory and practice (5. ed.). Delmar.

Cita Chicago Style (17a ed.)

Hess, Kären M., y Christine M. H. Orthmann. Police Operations: Theory and Practice. 5. ed. Clifton Park, NY: Delmar, 2011.

Cita MLA (8a ed.)

Hess, Kären M., y Christine M. H. Orthmann. Police Operations: Theory and Practice. 5. ed. Delmar, 2011.