APA (7th ed.) Citation
Kahn, D. (1996). The codebreakers: The story of secret writing (rev. and upd. ed.). SCRIBNER.
Chicago Style (17th ed.) Citation
Kahn, David. The Codebreakers: The Story of Secret Writing. rev. and upd. ed. New York: SCRIBNER, 1996.
MLA (9th ed.) Citation
Kahn, David. The Codebreakers: The Story of Secret Writing. rev. and upd. ed. SCRIBNER, 1996.
Warning: These citations may not always be 100% accurate.