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.