APA (7th ed.) Citation

Campbell, R. W. (1975). The spy who sat and waited. Weidenfeld and Nicholson.

Chicago Style (17th ed.) Citation

Campbell, R. Wright. The Spy Who Sat and Waited. London: Weidenfeld and Nicholson, 1975.

MLA (9th ed.) Citation

Campbell, R. Wright. The Spy Who Sat and Waited. Weidenfeld and Nicholson, 1975.