Cita APA (7a ed.)

Hardy, R. E., & Cull, J. G. (1973). Climbing ghetto walls: Disadvantagement, delinquency and rehabilitation. American lecture series.

Cita Chicago Style (17a ed.)

Hardy, Richard E., y John G. Cull. "Climbing Ghetto Walls: Disadvantagement, Delinquency and Rehabilitation." American Lecture Series 1973.

Cita MLA (8a ed.)

Hardy, Richard E., y John G. Cull. "Climbing Ghetto Walls: Disadvantagement, Delinquency and Rehabilitation." American Lecture Series, 1973.