Cita APA (7a ed.)
Beebe, S. E., Gonzalez, A. V., & Rengifo, J. (1999). Research on trace minerals in common bean. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Beebe, Steve E., Alma Viviana Gonzalez, y Judith Rengifo. Research on Trace Minerals in Common Bean. International Food Policy Research Institute, 1999.
Cita MLA (9a ed.)
Beebe, Steve E., et al. Research on Trace Minerals in Common Bean. International Food Policy Research Institute, 1999.
Precaución: Estas citas no son 100% exactas.