Cita APA (7a ed.)

London, Metropolitan Police Service, & London Metropolitan Police Service. (2000). Policing London: The MPS report and plans. New Scotland Yard.

Cita Chicago Style (17a ed.)

London, Metropolitan Police Service, y London Metropolitan Police Service. Policing London: The MPS Report and Plans. London: New Scotland Yard, 2000.

Cita MLA (8a ed.)

London, Metropolitan Police Service, y London Metropolitan Police Service. Policing London: The MPS Report and Plans. New Scotland Yard, 2000.