APA (7th ed.) Citation

Caldwell, J. C. (1956). Communism in our world. J. Day Co.

Chicago Style (17th ed.) Citation

Caldwell, John C. Communism in Our World. New York: J. Day Co, 1956.

MLA (8th ed.) Citation

Caldwell, John C. Communism in Our World. J. Day Co, 1956.