Cita APA (7th ed.)

Graff, J. C. (2001). Cryptography and E-Commerce. Wiley.

Cita Chicago (17th ed.)

Graff, Jon C. Cryptography and E-Commerce. New York: Wiley, 2001.

Cita MLA (9th ed.)

Graff, Jon C. Cryptography and E-Commerce. Wiley, 2001.