Wilson, J. Q., & Boland, B. (1979). The effect of the police on crime. National Institute of Law Enforcement and Criminal Justice.
Cita Chicago Style (17a ed.)Wilson, James Q., y Barbara Boland. The Effect of the Police on Crime. Rockville, Md: National Institute of Law Enforcement and Criminal Justice, 1979.
Cita MLA (8a ed.)Wilson, James Q., y Barbara Boland. The Effect of the Police on Crime. National Institute of Law Enforcement and Criminal Justice, 1979.
Precaución: Estas citas no son 100% exactas.