Cita APA (7a ed.)
Ruíz, M., Wilcox, C., Pezo, D. A., Taylor, R., Chaves, C., & Rosero, O. (1992). Recommendations about feeding systems. Inter-American Institute for Cooperation on Agriculture.
Cita Chicago Style (17a ed.)
Ruíz, M., C.J Wilcox, Danilo A. Pezo, R. Taylor, C. Chaves, y O. Rosero. Recommendations About Feeding Systems. Inter-American Institute for Cooperation on Agriculture, 1992.
Cita MLA (9a ed.)
Ruíz, M., et al. Recommendations About Feeding Systems. Inter-American Institute for Cooperation on Agriculture, 1992.
Precaución: Estas citas no son 100% exactas.