Cita APA (7a ed.)
Schwartz, H. F., Gálvez E., G. E., Schoonhoven, A. v., Howeler, R. H., Graham, P. H., & Flor Montoya, C. A. (1978). Field problems of beans in Latin America. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Schwartz, Howard F., Guillermo E. Gálvez E., Aart van Schoonhoven, Reinhardt H. Howeler, Peter H. Graham, y Carlos A. Flor Montoya. Field Problems of Beans in Latin America. International Center for Tropical Agriculture, 1978.
Cita MLA (9a ed.)
Schwartz, Howard F., et al. Field Problems of Beans in Latin America. International Center for Tropical Agriculture, 1978.
Precaución: Estas citas no son 100% exactas.