Cita APA (7th ed.)
Welker, W. H., & Ditman, N. E. (1909). Studies of the influence of various dietary conditions on physiological resistance: The influence of different proportions of protein in the food.
Cita Chicago (17th ed.)
Welker, William Henry, i Norman E. Ditman. Studies of the Influence of Various Dietary Conditions on Physiological Resistance: The Influence of Different Proportions of Protein in the Food. New York, 1909.
Cita MLA (9th ed.)
Welker, William Henry, i Norman E. Ditman. Studies of the Influence of Various Dietary Conditions on Physiological Resistance: The Influence of Different Proportions of Protein in the Food. 1909.
Atenció: Aquestes cites poden no estar 100% correctes.