APA ציטוט

Hodges A. Andrew. (1992). Alan Turing: The Enigma. London, Vintage, 1992.

Chicago Style (17th ed.) Citation

Hodges A. Andrew. Alan Turing: The Enigma. London, Vintage, 1992, 1992.

ציטוט MLA

Hodges A. Andrew. Alan Turing: The Enigma. London, Vintage, 1992, 1992.