Cita APA (7a ed.)

Hodges, A., & Hofstadter, D. R. (2012). Alan Turing: The Enigma The Centenary Edition (Centenary ed.). Princeton University Press.

Cita Chicago Style (17a ed.)

Hodges, Andrew, y Douglas R. Hofstadter. Alan Turing: The Enigma The Centenary Edition. Centenary ed. New Jersey: Princeton University Press, 2012.

Cita MLA (8a ed.)

Hodges, Andrew, y Douglas R. Hofstadter. Alan Turing: The Enigma The Centenary Edition. Centenary ed. Princeton University Press, 2012.