Copeland, B. J. (2006). Colossus: The secrets of Bletchley Park's codebreaking computers. Oxford ; New York: Oxford University Press.
Chicago Style CitationCopeland, B. Jack. Colossus: The Secrets of Bletchley Park's Codebreaking Computers. Oxford ; New York: Oxford University Press, 2006.
MLA CitationCopeland, B. Jack. Colossus: The Secrets of Bletchley Park's Codebreaking Computers. Oxford ; New York: Oxford University Press, 2006.
Warning: These citations may not always be 100% accurate.