Cita APA (7a ed.)

Peak, K. J. (2009). Policing America: Challenges and best practices (6. ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Peak, Kenneth J. Policing America: Challenges and Best Practices. 6. ed. Upper Saddle River, NJ [u.a.]: Prentice Hall, 2009.

Cita MLA (9a ed.)

Peak, Kenneth J. Policing America: Challenges and Best Practices. 6. ed. Prentice Hall, 2009.