APA (7th ed.) Citation

Havill, A. (2001). The spy who stayed out in the cold: The secret life of FBI double agent Robert Hanssen. St. Martin's Press.

Chicago Style (17th ed.) Citation

Havill, Adrian. The Spy Who Stayed Out in the Cold: The Secret Life of FBI Double Agent Robert Hanssen. New York: St. Martin's Press, 2001.

MLA (9th ed.) Citation

Havill, Adrian. The Spy Who Stayed Out in the Cold: The Secret Life of FBI Double Agent Robert Hanssen. St. Martin's Press, 2001.