Cita APA (7th ed.)
Fleck, H. (1962). Introduction to nutrition. Macmillan.
Cita Chicago (17th ed.)
Fleck, Henrietta. Introduction to Nutrition. Newyork: Macmillan, 1962.
Cita MLA (9th ed.)
Fleck, Henrietta. Introduction to Nutrition. Macmillan, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.