Cita APA (7a ed.)

More, H. W., & Shipley, O. R. (1987). Police policy manual - operations. Thomas.

Cita Chicago Style (17a ed.)

More, Harry W., y Oscar R. Shipley. Police Policy Manual - Operations. Springfield, Ill: Thomas, 1987.

Cita MLA (8a ed.)

More, Harry W., y Oscar R. Shipley. Police Policy Manual - Operations. Thomas, 1987.