Cita APA (7a ed.)

Travis, L. F. (2002). Community policing: An international perspective. Emerald Group Pub..

Cita Chicago Style (17a ed.)

Travis, Lawrence F. Community Policing: An International Perspective. Bradford, England: Emerald Group Pub., 2002.

Cita MLA (8a ed.)

Travis, Lawrence F. Community Policing: An International Perspective. Emerald Group Pub., 2002.