Cita APA (7a ed.)

Barnes, M. (1991). Policing Ontario: The OPP today. Boston Mills Pr.

Cita Chicago Style (17a ed.)

Barnes, Michael. Policing Ontario: The OPP Today. Erin, Ontario: Boston Mills Pr, 1991.

Cita MLA (8a ed.)

Barnes, Michael. Policing Ontario: The OPP Today. Boston Mills Pr, 1991.