APA (7th ed.) Citation
Ehui, S. K., & Polson, R. (1993). A review of the economic and ecological constraints on animal draft cultivation in sub-Saharan Africa. Elsevier.
Chicago Style (17th ed.) Citation
Ehui, Simeon K., and R. Polson. A Review of the Economic and Ecological Constraints on Animal Draft Cultivation in Sub-Saharan Africa. Elsevier, 1993.
MLA (9th ed.) Citation
Ehui, Simeon K., and R. Polson. A Review of the Economic and Ecological Constraints on Animal Draft Cultivation in Sub-Saharan Africa. Elsevier, 1993.
Warning: These citations may not always be 100% accurate.