Cita APA (7a ed.)

Campaña, H., Ermini, M., Aiello, H. A., Krupitzki, H. B., Castilla, E. E., & López Camelo, J. S. (2010). Prenatal sonographic detection of birth defects in 18 hospitals from South America.

Cita Chicago Style (17a ed.)

Campaña, Hebe, Mónica Ermini, Horacio A. Aiello, Hugo Bernardo Krupitzki, Eduardo Enrique Castilla, y Jorge Santiago López Camelo. Prenatal Sonographic Detection of Birth Defects in 18 Hospitals from South America. 2010.

Cita MLA (8a ed.)

Campaña, Hebe, et al. Prenatal Sonographic Detection of Birth Defects in 18 Hospitals from South America. 2010.