APA (7th ed.) Citation

Leavitt, D. (2007). The man who knew too much: Alan Turing and the invention of the computer (Paperback ed.). Phoenix.

Chicago Style (17th ed.) Citation

Leavitt, David. The Man Who Knew Too Much: Alan Turing and the Invention of the Computer. Paperback ed. London: Phoenix, 2007.

MLA (8th ed.) Citation

Leavitt, David. The Man Who Knew Too Much: Alan Turing and the Invention of the Computer. Paperback ed. Phoenix, 2007.

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