APA Citation

Smith, L. D., & Smith, L. D. (1943). Cryptography: The science of secret writing. New York, New York: Dover.

Chicago Style Citation

Smith, Laurence Dwight, and Laurence Dwight Smith. Cryptography: The Science of Secret Writing. New York, New York: Dover, 1943.

MLA Citation

Smith, Laurence Dwight, and Laurence Dwight Smith. Cryptography: The Science of Secret Writing. New York, New York: Dover, 1943.

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