APA način citiranja

Mantovani, E., Filippini, F., Bortolus, R., & Franchi, M. (2014). Folic Acid Supplementation and Preterm Birth: Results from Observational Studies. Hindawi Publishing Corporation.

Čikaški stil citiranja

Mantovani, Elena, Francesca Filippini, Renata Bortolus, i Massimo Franchi. Folic Acid Supplementation and Preterm Birth: Results From Observational Studies. Hindawi Publishing Corporation, 2014.

MLA način citiranja

Mantovani, Elena, Francesca Filippini, Renata Bortolus, i Massimo Franchi. Folic Acid Supplementation and Preterm Birth: Results From Observational Studies. Hindawi Publishing Corporation, 2014.