Franklin

MLA

Piper, F. C, and Sean Murphy. Cryptography: a Very Short Introduction. Oxford: Oxford University Press, 2002.

APA

Piper, F. C, & Murphy, S. (2002). Cryptography: a very short introduction. Oxford: Oxford University Press.

Chicago

Piper, F. C., and Sean Murphy. Cryptography: A Very Short Introduction. Oxford: Oxford University Press, 2002.