Cita APA (7a ed.)

Edwards, C. J. (1999). Changing policing theories for the 21st century societies. The Federation Pr.

Cita Chicago Style (17a ed.)

Edwards, Charles J. Changing Policing Theories for the 21st Century Societies. Annandale [u.a.]: The Federation Pr, 1999.

Cita MLA (9a ed.)

Edwards, Charles J. Changing Policing Theories for the 21st Century Societies. The Federation Pr, 1999.