APA (7th ed.) Citation

Fouche Gaines, H. (1956). Cryptanalysis: A study of ciphers and their solutions. Dover Publications.

Chicago Style (17th ed.) Citation

Fouche Gaines, Helen. Cryptanalysis: A Study of Ciphers and Their Solutions. New York: Dover Publications, 1956.

MLA (8th ed.) Citation

Fouche Gaines, Helen. Cryptanalysis: A Study of Ciphers and Their Solutions. Dover Publications, 1956.

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