APA استشهاد

Henry S. Ruth. (1971). The challenge of crime in a free society: Perspectives on the report of the President Commission on Law Enforcement and the Administrative of Justice. Da Capo Press.

استشهاد بنمط شيكاغو

Henry S. Ruth. The Challenge of Crime in a Free Society: Perspectives on the Report of the President Commission on Law Enforcement and the Administrative of Justice. New York: Da Capo Press, 1971.

MLA استشهاد

Henry S. Ruth. The Challenge of Crime in a Free Society: Perspectives on the Report of the President Commission on Law Enforcement and the Administrative of Justice. Da Capo Press, 1971.