Cita APA (7a ed.)

Barker, T. (1996). Police ethics: Crisis in law enforcement. Thomas.

Cita Chicago Style (17a ed.)

Barker, Tom. Police Ethics: Crisis in Law Enforcement. Springfield, Ill: Thomas, 1996.

Cita MLA (8a ed.)

Barker, Tom. Police Ethics: Crisis in Law Enforcement. Thomas, 1996.