Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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