APA (7th ed.) Citation

Clayton, T. (1967). The protectors: The inside story of Britain's private security forces. Oldbourne.

Chicago Style (17th ed.) Citation

Clayton, Tom. The Protectors: The Inside Story of Britain's Private Security Forces. London: Oldbourne, 1967.

MLA (8th ed.) Citation

Clayton, Tom. The Protectors: The Inside Story of Britain's Private Security Forces. Oldbourne, 1967.

Warning: These citations may not always be 100% accurate.