APA (7th ed.) Citation

Oxford University Press, Hinsley, F. H., & Stripp, A. (1993). Codebreakers: The inside sory of Bletchley Park. Oxford University Press.

Chicago Style (17th ed.) Citation

Oxford University Press, Francis Harry Hinsley, and Alan Stripp. Codebreakers: The Inside Sory of Bletchley Park. Oxford: Oxford University Press, 1993.

MLA (9th ed.) Citation

Oxford University Press, et al. Codebreakers: The Inside Sory of Bletchley Park. Oxford University Press, 1993.