Omram, A. R., Yunes, J., Solis, J. A., & Lopez, G. (1992). Reproductive health in the Americas. Pan American Health Organization PAHO/WHO.
Cita Chicago Style (17a ed.)Omram, Abdel R., Joao Yunes, José Antonio Solis, y Guillermo Lopez. Reproductive Health in the Americas. Washington, D. C.: Pan American Health Organization PAHO/WHO, 1992.
Cita MLA (8a ed.)Omram, Abdel R., et al. Reproductive Health in the Americas. Pan American Health Organization PAHO/WHO, 1992.
Precaución: Estas citas no son 100% exactas.