Kahn, D. (1967). The codebreakers: The story of secret writing. New York: The Macmillan Company.
Chicago Style CitationKahn, David. The Codebreakers: The Story of Secret Writing. New York: The Macmillan Company, 1967.
MLA CitationKahn, David. The Codebreakers: The Story of Secret Writing. New York: The Macmillan Company, 1967.
Warning: These citations may not always be 100% accurate.