Cita APA (7a ed.)
Vermeulen, S. J., & Wollenberg, E. K. (2011). Benefits of tropical crops for food security. National Academy of Sciences.
Cita Chicago Style (17a ed.)
Vermeulen, Sonja J., y Eva Karoline Wollenberg. Benefits of Tropical Crops for Food Security. National Academy of Sciences, 2011.
Cita MLA (9a ed.)
Vermeulen, Sonja J., y Eva Karoline Wollenberg. Benefits of Tropical Crops for Food Security. National Academy of Sciences, 2011.
Precaución: Estas citas no son 100% exactas.