Cita APA (7a ed.)
Welsh,Dominic. (1988). Codes and cryptography. Oxford University Press.
Cita Chicago Style (17a ed.)
Welsh,Dominic. Codes and Cryptography. New York: Oxford University Press, 1988.
Cita MLA (9a ed.)
Welsh,Dominic. Codes and Cryptography. Oxford University Press, 1988.
Precaución: Estas citas no son 100% exactas.