Mollin, R. A. (2005). Codes: The guide to secrecy from ancient to modern times. Chapman and Hall/CRC.
Chicago Edition CitationMollin, Richard A. Codes: The Guide to Secrecy from Ancient to Modern Times. Boca Raton: Chapman and Hall/CRC, 2005.
MLA Edition CitationMollin, Richard A. Codes: The Guide to Secrecy from Ancient to Modern Times. Chapman and Hall/CRC, 2005.
Warning: These citations may not always be 100% accurate.