APA (7e ed.) Bronvermelding

St. Louis post-dispatch. (1929). The drift of civilization. Simon and Schuster.

Chicago (17e ed.) Bronvermelding

St. Louis post-dispatch. The Drift of Civilization. New York: Simon and Schuster, 1929.

MLA (9e ed.) Bronvermelding

St. Louis post-dispatch. The Drift of Civilization. Simon and Schuster, 1929.