APA (7th ed.) Citation

Kahn. (1996). The codebreakers: The story of secret writing. Scribner.

Chicago Style (17th ed.) Citation

Kahn. The Codebreakers: The Story of Secret Writing. New York: Scribner, 1996.

MLA (9th ed.) Citation

Kahn. The Codebreakers: The Story of Secret Writing. Scribner, 1996.

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