Singh, S. (2000). The code book: The science of secrecy from ancient Egypt to quantum cryptography (First Anchor Books edition.). Anchor Books.
Citação do estilo Chicago (17ª ed.)Singh, Simon. The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography. First Anchor Books edition. New York: Anchor Books, 2000.
Citação 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.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.