Cita APA (7a ed.)
Velásquez, J., Prada, P., & Henry, G. (1990). Snap bean pests and diseases in Sumapaz, Colombia: Their present status and implications. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Velásquez, J.G, P. Prada, y Guy Henry. Snap Bean Pests and Diseases in Sumapaz, Colombia: Their Present Status and Implications. International Center for Tropical Agriculture, 1990.
Cita MLA (9a ed.)
Velásquez, J.G, et al. Snap Bean Pests and Diseases in Sumapaz, Colombia: Their Present Status and Implications. International Center for Tropical Agriculture, 1990.
Precaución: Estas citas no son 100% exactas.