Cita APA (7a ed.)

Peak, K. J. (2012). Policing America: Challenges and best practices (7. ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Peak, Kenneth J. Policing America: Challenges and Best Practices. 7. ed. Boston Munich [u.a.]: Prentice Hall, 2012.

Cita MLA (9a ed.)

Peak, Kenneth J. Policing America: Challenges and Best Practices. 7. ed. Prentice Hall, 2012.