Cita APA (7a ed.)

Wehby, G., Murray, J. C., Castilla, E. E., López Camelo, J. S., & Ohsfeldt, R. L. (2009). Quantile effects of prenatal care utilization on birth weight in Argentina.

Cita Chicago Style (17a ed.)

Wehby, George, Jeffrey C. Murray, Eduardo Enrique Castilla, Jorge Santiago López Camelo, y Robert L. Ohsfeldt. Quantile Effects of Prenatal Care Utilization on Birth Weight in Argentina. 2009.

Cita MLA (8a ed.)

Wehby, George, et al. Quantile Effects of Prenatal Care Utilization on Birth Weight in Argentina. 2009.