APA (7th ed.) Citation

Piper, F. C. (2002). Cryptography: A very short introduction. Oxford University Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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