Cita APA (7a ed.)

Caless, B. (2011). Policing at the top: The roles, values and attitudes of chief police officers. Policy Press.

Cita Chicago Style (17a ed.)

Caless, Bryn. Policing at the Top: The Roles, Values and Attitudes of Chief Police Officers. Bristol: Policy Press, 2011.

Cita MLA (8a ed.)

Caless, Bryn. Policing at the Top: The Roles, Values and Attitudes of Chief Police Officers. Policy Press, 2011.