APA (7th ed.) Citation

McCollum, E. V., Keiles, E. O., & Day, H. G. (1939). The newer knowledge of nutrition (5th ed.). The Macmillan company.

Chicago Style (17th ed.) Citation

McCollum, Elmer Verner, Elsa Orent Keiles, and Harry Gilbert Day. The Newer Knowledge of Nutrition. 5th ed. New York: The Macmillan company, 1939.

MLA (9th ed.) Citation

McCollum, Elmer Verner, et al. The Newer Knowledge of Nutrition. 5th ed. The Macmillan company, 1939.