APA (7th ed.) Citation

Bearden & Risen. (2003). The main enemy: The inside story of the CIA's final showdown with the KGB (1st Presidio Press mass market ed.). Presidio Press/Ballantine Books.

Chicago Style (17th ed.) Citation

Bearden and Risen. The Main Enemy: The Inside Story of the CIA's Final Showdown with the KGB. 1st Presidio Press mass market ed. New York: Presidio Press/Ballantine Books, 2003.

MLA (8th ed.) Citation

Bearden and Risen. The Main Enemy: The Inside Story of the CIA's Final Showdown with the KGB. 1st Presidio Press mass market ed. Presidio Press/Ballantine Books, 2003.