Cita APA (7a ed.)

Bryett, K. (1993). An introduction to policing. An introduction to policing.

Cita Chicago Style (17a ed.)

Bryett, Keith. "An Introduction to Policing." An Introduction to Policing 1993.

Cita MLA (8a ed.)

Bryett, Keith. "An Introduction to Policing." An Introduction to Policing, 1993.