APA (7th ed.) Citation

Hodges, A., & Hofstadter, D. (2000). Alan Turing: The enigma. New York: Walker.

Chicago Style (17th ed.) Citation

Hodges, Andrew, and Douglas Hofstadter. Alan Turing: The Enigma. New York: Walker, 2000.

MLA (8th ed.) Citation

Hodges, Andrew, and Douglas Hofstadter. Alan Turing: The Enigma. New York: Walker, 2000.

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