Cita APA

Costello, A., & Osrin, D. (2010). Vitamin A supplementation and maternal mortality.

Chicago Style Citation

Costello, Anthony, i David Osrin. Vitamin A Supplementation and Maternal Mortality. 2010.

Cita MLA

Costello, Anthony, i David Osrin. Vitamin A Supplementation and Maternal Mortality. 2010.

Atenció: Aquestes cites poden no estar 100% correctes.