Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.