Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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