APA-Zitierstil (7. Ausg.)

Smith, L. D. (1971). Cryptography: The science of secret writing. Dover Publications.

Chicago-Zitierstil (17. Ausg.)

Smith, Laurence Dwight. Cryptography: The Science of Secret Writing. New York: Dover Publications, 1971.

MLA-Zitierstil (9. Ausg.)

Smith, Laurence Dwight. Cryptography: The Science of Secret Writing. Dover Publications, 1971.