Cita APA (7a ed.)

Sewell, J. (1985). Police: Urban policing in Canada. Lorimer.

Cita Chicago Style (17a ed.)

Sewell, John. Police: Urban Policing in Canada. Toronto: Lorimer, 1985.

Cita MLA (8a ed.)

Sewell, John. Police: Urban Policing in Canada. Lorimer, 1985.