Citação norma APA

Hyppönen, E., Smith, G. D., & Power, C. (2003). Effects of grandmothers' smoking in pregnancy on birth weight: Intergenerational cohort study. BMJ Publishing Group Ltd.

Citação norma Chicago

Hyppönen, Elina, George Davey Smith, and Chris Power. Effects of Grandmothers' Smoking in Pregnancy On Birth Weight: Intergenerational Cohort Study. BMJ Publishing Group Ltd, 2003.

Citação norma MLA

Hyppönen, Elina, George Davey Smith, and Chris Power. Effects of Grandmothers' Smoking in Pregnancy On Birth Weight: Intergenerational Cohort Study. BMJ Publishing Group Ltd, 2003.

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