Cita APA (7a ed.)

Dudycha, G. J. (1976). Psychology for law enforcement officers (9th pr.). Thomas.

Cita Chicago Style (17a ed.)

Dudycha, George J. Psychology for Law Enforcement Officers. 9th pr. Springfield, Ill: Thomas, 1976.

Cita MLA (9a ed.)

Dudycha, George J. Psychology for Law Enforcement Officers. 9th pr. Thomas, 1976.