Citazione Stile APA (7a Edizione)

Campbell, R. W. (1979). The spy who sat and waited (1a. ed.). Pocket Books.

Citazione stile Chigago Style (17a edizione)

Campbell, R. Wright. The Spy Who Sat and Waited. 1a. ed. Nueva York: Pocket Books, 1979.

Citatione MLA (9a ed.)

Campbell, R. Wright. The Spy Who Sat and Waited. 1a. ed. Pocket Books, 1979.