Cita APA (7a ed.)
Ashby, J. A., Quirós Torres, C. A., & Rivera, Y. (1987). Farmer participation in on-farm varietal trials: A report of work in progress. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Ashby, Jacqueline A., Carlos Arturo Quirós Torres, y Y.M Rivera. Farmer Participation in On-farm Varietal Trials: A Report of Work in Progress. International Center for Tropical Agriculture, 1987.
Cita MLA (9a ed.)
Ashby, Jacqueline A., et al. Farmer Participation in On-farm Varietal Trials: A Report of Work in Progress. International Center for Tropical Agriculture, 1987.
Precaución: Estas citas no son 100% exactas.