Cita APA (7th ed.)

(1990). Nutrition during pregnancy: Part 1, weight gain part II, nutrient supplements. National Academy Press.

Cita Chicago (17th ed.)

Nutrition During Pregnancy: Part 1, Weight Gain Part II, Nutrient Supplements. National Academy Press, 1990.

Cita MLA (9th ed.)

Nutrition During Pregnancy: Part 1, Weight Gain Part II, Nutrient Supplements. National Academy Press, 1990.