Cairncross, J. (1997). The Enigma spy : the story of the man who changed the course of World War Two / John Cairncross: The story of the man who changed the course of World War Two. Century.
Chicago Style (17th ed.) CitationCairncross, John. The Enigma Spy : The Story of the Man Who Changed the Course of World War Two / John Cairncross: The Story of the Man Who Changed the Course of World War Two. London: Century, 1997.
MLA (9th ed.) CitationCairncross, John. The Enigma Spy : The Story of the Man Who Changed the Course of World War Two / John Cairncross: The Story of the Man Who Changed the Course of World War Two. Century, 1997.
Warning: These citations may not always be 100% accurate.