Turing, D. (2021). X, Y & Z: The real story of how Enigma was broken (Paperback edition.). The History Press.
Chicago Style (17th ed.) CitationTuring, Dermot. X, Y & Z: The Real Story of How Enigma Was Broken. Paperback edition. Cheltenham, Gloucestershire: The History Press, 2021.
MLA (9th ed.) CitationTuring, Dermot. X, Y & Z: The Real Story of How Enigma Was Broken. Paperback edition. The History Press, 2021.
Warning: These citations may not always be 100% accurate.