Citação norma APA

MacLennan, W. J., Hamilton, J. C., & Darmady, J. M. (1980). The effects of season and stage of pregnancy on plasma 25-hydroxy-vitamin D concentrations in pregnant women. BMJ Group.

Citação norma Chicago

MacLennan, W. J., J. C. Hamilton, and J. M. Darmady. The Effects of Season and Stage of Pregnancy On Plasma 25-hydroxy-vitamin D Concentrations in Pregnant Women. BMJ Group, 1980.

Citação norma MLA

MacLennan, W. J., J. C. Hamilton, and J. M. Darmady. The Effects of Season and Stage of Pregnancy On Plasma 25-hydroxy-vitamin D Concentrations in Pregnant Women. BMJ Group, 1980.

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