APA (7th ed.) Citation

Gaines, H. F. (1956). Cryptanalysis: A study of ciphers and their solution. Dover Publications, Inc..

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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