APA (7th ed.) Citation
Ehui, S. K., & Spencer, D. (1993). Measuring the sustainability and economic viability of tropical farming systems: A model from subSaharan Africa. Wiley.
Chicago Style (17th ed.) Citation
Ehui, Simeon K., and D. Spencer. Measuring the Sustainability and Economic Viability of Tropical Farming Systems: A Model from SubSaharan Africa. Wiley, 1993.
MLA (9th ed.) Citation
Ehui, Simeon K., and D. Spencer. Measuring the Sustainability and Economic Viability of Tropical Farming Systems: A Model from SubSaharan Africa. Wiley, 1993.
Warning: These citations may not always be 100% accurate.