APA引文

Richelson, J. (1995). A century of spies: Intelligence in the twentieth century. Oxford University Press.

Chicago Style (17th ed.) Citation

Richelson, Jeffrey. A Century of Spies: Intelligence in the Twentieth Century. New York: Oxford University Press, 1995.

MLA引文

Richelson, Jeffrey. A Century of Spies: Intelligence in the Twentieth Century. Oxford University Press, 1995.