APA (7th ed.) Citation

Hardy, R. E., & Cull, J. G. (1973). Applied psychology in law enforcement and corrections. American lecture series.

Chicago Style (17th ed.) Citation

Hardy, Richard E., and John G. Cull. "Applied Psychology in Law Enforcement and Corrections." American Lecture Series 1973.

MLA (9th ed.) Citation

Hardy, Richard E., and John G. Cull. "Applied Psychology in Law Enforcement and Corrections." American Lecture Series, 1973.