Citazione Stile APA (7a Edizione)

Kahn, D. (1967). The codebreakers: The story of secret writing (First edition.). The Macmillan Company.

Citazione stile Chigago Style (17a edizione)

Kahn, David. The Codebreakers: The Story of Secret Writing. First edition. New York: The Macmillan Company, 1967.

Citatione MLA (8a ed.)

Kahn, David. The Codebreakers: The Story of Secret Writing. First edition. The Macmillan Company, 1967.