Kahn. The codebreakers ([Abridged] ed.). Weidenfeld and Nicolson 1974.
Chicago Style (17th ed.) CitationKahn. The Codebreakers. [Abridged] ed. London: Weidenfeld and Nicolson 1974.
MLA (8th ed.) CitationKahn. The Codebreakers. [Abridged] ed. Weidenfeld and Nicolson 1974.
Warning: These citations may not always be 100% accurate.