Lombardo, L. X. (1981). Guards imprisoned: Correctional officers at work. Elsevier.
Cita Chicago Style (17a ed.)Lombardo, Lucien X. Guards Imprisoned: Correctional Officers at Work. New York: Elsevier, 1981.
Cita MLA (8a ed.)Lombardo, Lucien X. Guards Imprisoned: Correctional Officers at Work. Elsevier, 1981.
Precaución: Estas citas no son 100% exactas.