APA (7th ed.) Citation

Carr, J. D. (1969). Most secret (Berkley Medallion ed.). Berkley Pub.

Chicago Style (17th ed.) Citation

Carr, John Dickson. Most Secret. Berkley Medallion ed. New York: Berkley Pub, 1969.

MLA (9th ed.) Citation

Carr, John Dickson. Most Secret. Berkley Medallion ed. Berkley Pub, 1969.