APA Edition Citation

Copeland, B. J. A. (2010). Colossus: The secrets of Bletchley Park's codebreaking computers.

Chicago Edition Citation

Copeland, B Jack; Author. Colossus: The Secrets of Bletchley Park's Codebreaking Computers. Oxford, Oxford University Press, 2010.

MLA Edition Citation

Copeland, B Jack; Author. Colossus: The Secrets of Bletchley Park's Codebreaking Computers. 2010.

Warning: These citations may not always be 100% accurate.