APA (7e ed.) Bronvermelding

Smith, W. J. (1947). Climax of civilization: World conquest by communism? Paulist Press.

Chicago (17e ed.) Bronvermelding

Smith, William J. Climax of Civilization: World Conquest by Communism? New York: Paulist Press, 1947.

MLA (8e ed.) Bronvermelding

Smith, William J. Climax of Civilization: World Conquest by Communism? Paulist Press, 1947.