APA (7th ed.) Citation

Masters, A. (1984). The man who was M: The life of Maxwell Knight. B. Blackwell.

Chicago Style (17th ed.) Citation

Masters, Anthony. The Man Who Was M: The Life of Maxwell Knight. New York, NY, USA: B. Blackwell, 1984.

MLA (8th ed.) Citation

Masters, Anthony. The Man Who Was M: The Life of Maxwell Knight. B. Blackwell, 1984.