APA (7th ed.) Citation
Ospina O., H. F., Acosta, A., Douglas, J. E., & Flor Montoya, C. A. (1980). Semilla de fríjol de buena calidad. International Center for Tropical Agriculture.
Chicago Style (17th ed.) Citation
Ospina O., Héctor Fabio, A.J Acosta, Johnson E. Douglas, and Carlos A. Flor Montoya. Semilla De Fríjol De Buena Calidad. International Center for Tropical Agriculture, 1980.
MLA (9th ed.) Citation
Ospina O., Héctor Fabio, et al. Semilla De Fríjol De Buena Calidad. International Center for Tropical Agriculture, 1980.
Warning: These citations may not always be 100% accurate.