Cita APA (7a ed.)

Barker, T. P. D. (2011). Police ethics: Crisis in law enforcement (3. ed.). Chares C. Thomas.

Cita Chicago Style (17a ed.)

Barker, Tom Ph. D. Police Ethics: Crisis in Law Enforcement. 3. ed. Springfield, Ill: Chares C. Thomas, 2011.

Cita MLA (9a ed.)

Barker, Tom Ph. D. Police Ethics: Crisis in Law Enforcement. 3. ed. Chares C. Thomas, 2011.