Travis, J. (2013). Toward a New Professionalism in Policing.
Cita Chicago Style (17a ed.)Travis, Jeremy. Toward a New Professionalism in Policing. 2013.
Cita MLA (9a ed.)Travis, Jeremy. Toward a New Professionalism in Policing. 2013.
Precaución: Estas citas no son 100% exactas.