Cita APA (7a ed.)
Knapp, E., Ashby, J. A., & Jones, P. G. (1993). Sustainable upland agriculture through the eyes of the CIAT hillsides agroecological program. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Knapp, E.B, Jacqueline A. Ashby, y Peter G. Jones. Sustainable Upland Agriculture Through the Eyes of the CIAT Hillsides Agroecological Program. International Center for Tropical Agriculture, 1993.
Cita MLA (9a ed.)
Knapp, E.B, et al. Sustainable Upland Agriculture Through the Eyes of the CIAT Hillsides Agroecological Program. International Center for Tropical Agriculture, 1993.
Precaución: Estas citas no son 100% exactas.