APA (7th ed.) Citation

Barron, J. (1974). KGB: The secret work of soviet secret agents. Reader's Digest Press.

Chicago Style (17th ed.) Citation

Barron, John. KGB: The Secret Work of Soviet Secret Agents. New York: Reader's Digest Press, 1974.

MLA (9th ed.) Citation

Barron, John. KGB: The Secret Work of Soviet Secret Agents. Reader's Digest Press, 1974.