APA Edition Citation

Klima, R. E., & Sigmon, N. (2019). Cryptology: Classical and modern (Second edition.). CRC Press.

Chicago Edition Citation

Klima, Richard E., and Neil Sigmon. Cryptology: Classical and Modern. Second edition. London: CRC Press, 2019.

MLA Edition Citation

Klima, Richard E., and Neil Sigmon. Cryptology: Classical and Modern. Second edition. CRC Press, 2019.

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