APA (7th ed.) Citation

Hodges, A. (2000). Alan Turing: The enigma. Walker & Company.

Chicago Style (17th ed.) Citation

Hodges, Andrew. Alan Turing: The Enigma. New York: Walker & Company, 2000.

MLA (9th ed.) Citation

Hodges, Andrew. Alan Turing: The Enigma. Walker & Company, 2000.

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