APA (7th ed.) Citation
Uphoff, N., Wickramasinghe, M., & Wijayaratna, C. (1990). "Optimum" participation in irrigation management: Issues and evidence from Sri Lanka.
Chicago Style (17th ed.) Citation
Uphoff, Norman, M.L Wickramasinghe, and C.M Wijayaratna. "Optimum" Participation in Irrigation Management: Issues and Evidence from Sri Lanka. 1990.
MLA (9th ed.) Citation
Uphoff, Norman, et al. "Optimum" Participation in Irrigation Management: Issues and Evidence from Sri Lanka. 1990.
Warning: These citations may not always be 100% accurate.