Citação norma APA

Olsen, S. F., & Secher, N. J. (2002). Low consumption of seafood in early pregnancy as a risk factor for preterm delivery: Prospective cohort study. BMJ.

Citação norma Chicago

Olsen, Sjúrđur Fróđi, and Niels Jørgen Secher. Low Consumption of Seafood in Early Pregnancy As a Risk Factor for Preterm Delivery: Prospective Cohort Study. BMJ, 2002.

Citação norma MLA

Olsen, Sjúrđur Fróđi, and Niels Jørgen Secher. Low Consumption of Seafood in Early Pregnancy As a Risk Factor for Preterm Delivery: Prospective Cohort Study. BMJ, 2002.

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