APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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