Clark. (1977). The man who broke purple: The life of Colonel William F. Friedman, who deciphered the Japanese code in World War II. Little, Brown and Company.
Chicago Style (17th ed.) CitationClark. The Man Who Broke Purple: The Life of Colonel William F. Friedman, Who Deciphered the Japanese Code in World War II. Boston: Little, Brown and Company, 1977.
MLA (8th ed.) CitationClark. The Man Who Broke Purple: The Life of Colonel William F. Friedman, Who Deciphered the Japanese Code in World War II. Little, Brown and Company, 1977.
Warning: These citations may not always be 100% accurate.