Singh, S. (2000). The code book: The science of secrecy from ancient Egypt to quantum cryptography (First Anchor Books edition.). Anchor Books.
Citazione stile Chigago Style (17a edizione)Singh, Simon. The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography. First Anchor Books edition. New York: Anchor Books, 2000.
Citatione MLA (8a ed.)Singh, Simon. The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography. First Anchor Books edition. Anchor Books, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.