Cita APA (7a ed.)

Cull, J. G., & Hardy, R. E. (1973). Law enforcement and correctional rehabilitation. American lecture series.

Cita Chicago Style (17a ed.)

Cull, John G., y Richard E. Hardy. "Law Enforcement and Correctional Rehabilitation." American Lecture Series 1973.

Cita MLA (8a ed.)

Cull, John G., y Richard E. Hardy. "Law Enforcement and Correctional Rehabilitation." American Lecture Series, 1973.