APA način citiranja

Sengpiel, V., Bacelis, J., Myhre, R., Myking, S., Devold Pay, A. S., Haugen, M., . . . Jacobsson, B. (2014). Folic acid supplementation, dietary folate intake during pregnancy and risk for spontaneous preterm delivery: A prospective observational cohort study. BMC Pregnancy Childbirth.

Čikaški stil citiranja

Sengpiel, Verena, et al. "Folic Acid Supplementation, Dietary Folate Intake During Pregnancy and Risk for Spontaneous Preterm Delivery: A Prospective Observational Cohort Study." BMC Pregnancy Childbirth 2014.

MLA način citiranja

Sengpiel, Verena, et al. "Folic Acid Supplementation, Dietary Folate Intake During Pregnancy and Risk for Spontaneous Preterm Delivery: A Prospective Observational Cohort Study." BMC Pregnancy Childbirth 2014.