APA (7th ed.) Citation
Debouck, D. G., Castillo T., R., & Tohme, J. M. (1989). Observations on little-known Phaseolus germplasm of Ecuador.
Chicago Style (17th ed.) Citation
Debouck, Daniel G., R. Castillo T., and Joseph M. Tohme. Observations on Little-known Phaseolus Germplasm of Ecuador. 1989.
MLA (9th ed.) Citation
Debouck, Daniel G., et al. Observations on Little-known Phaseolus Germplasm of Ecuador. 1989.
Warning: These citations may not always be 100% accurate.