Cita APA (7a ed.)

Stevens, D. J. (2009). An introduction to American policing. Jones and Bartlett.

Cita Chicago Style (17a ed.)

Stevens, Dennis J. An Introduction to American Policing. Sudbury, Mass. [u.a.]: Jones and Bartlett, 2009.

Cita MLA (8a ed.)

Stevens, Dennis J. An Introduction to American Policing. Jones and Bartlett, 2009.