Cita APA (7a ed.)
Lima, M., Ismail, S., Ashworth, A., & Morris, S. S. (1999). Influence of heavy agricultural work during pregnancy on birthweight in northeast Brazil. Oxford University Press.
Cita Chicago Style (17a ed.)
Lima, Marilia, Suraiya Ismail, Ann Ashworth, y Saul Sutkover Morris. Influence of Heavy Agricultural Work During Pregnancy on Birthweight in Northeast Brazil. Oxford University Press, 1999.
Cita MLA (9a ed.)
Lima, Marilia, et al. Influence of Heavy Agricultural Work During Pregnancy on Birthweight in Northeast Brazil. Oxford University Press, 1999.
Precaución: Estas citas no son 100% exactas.