APA (7th ed.) Citation

WRIXON, F. B. (1998). Codes, Ciphers, Secrets and cryptic communication Making and breaking secret messages from .. Black Dog & Leventhal.

Chicago Style (17th ed.) Citation

WRIXON, Fred B. Codes, Ciphers, Secrets and Cryptic Communication Making and Breaking Secret Messages from .. Black Dog & Leventhal, 1998.

MLA (8th ed.) Citation

WRIXON, Fred B. Codes, Ciphers, Secrets and Cryptic Communication Making and Breaking Secret Messages from .. Black Dog & Leventhal, 1998.

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