APA (7th ed.) Citation

McCollum, E. V., & Simmonds, N. (1928). Food, nutrition and health (2d ed.). The authors.

Chicago Style (17th ed.) Citation

McCollum, Elmer Verner, and Nina Simmonds. Food, Nutrition and Health. 2d ed. Baltimore Md.: The authors, 1928.

MLA (9th ed.) Citation

McCollum, Elmer Verner, and Nina Simmonds. Food, Nutrition and Health. 2d ed. The authors, 1928.