APA (7th ed.) Citation

Higley, D. D. (1984). O.P.P: The history of the Ontario Provincial Police Force. The Queens's Printer.

Chicago Style (17th ed.) Citation

Higley, Dahn D. O.P.P: The History of the Ontario Provincial Police Force. Toronto: The Queens's Printer, 1984.

MLA (9th ed.) Citation

Higley, Dahn D. O.P.P: The History of the Ontario Provincial Police Force. The Queens's Printer, 1984.