Cita APA (7a ed.)

Ross, J. I. (2012). Policing issues: Challenges and controversies. Jones & Bartlett Learning.

Cita Chicago Style (17a ed.)

Ross, Jeffrey Ian. Policing Issues: Challenges and Controversies. Sudbury, Mass. [u.a.]: Jones & Bartlett Learning, 2012.

Cita MLA (8a ed.)

Ross, Jeffrey Ian. Policing Issues: Challenges and Controversies. Jones & Bartlett Learning, 2012.