Roehl, J. A. (1984). Evaluation of the Urban Crime Prevention Program: Executive summary. U. S. Dep. of Justice.
Cita Chicago Style (17a ed.)Roehl, Janice A. Evaluation of the Urban Crime Prevention Program: Executive Summary. [Washington, D. C.]: U. S. Dep. of Justice, 1984.
Cita MLA (8a ed.)Roehl, Janice A. Evaluation of the Urban Crime Prevention Program: Executive Summary. U. S. Dep. of Justice, 1984.
Precaución: Estas citas no son 100% exactas.