APA (7th ed.) Citation
Fouché Gaines, H. (1956). Cryptanalysis a study of ciphers and their solution. Dover Publications.
Chicago Style (17th ed.) Citation
Fouché Gaines, Helen. Cryptanalysis a Study of Ciphers and Their Solution. New York: Dover Publications, 1956.
MLA (9th ed.) Citation
Fouché Gaines, Helen. Cryptanalysis a Study of Ciphers and Their Solution. Dover Publications, 1956.
Warning: These citations may not always be 100% accurate.