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. Oxford; New York, NY: B. Blackwell, 1984.

MLA (9th ed.) Citation

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