APA (7th ed.) Citation
Wortmann, C. S., & Allen, D. J. (1994). African bean production environments: Their definition, characteristics and constraints. International Center for Tropical Agriculture.
Chicago Style (17th ed.) Citation
Wortmann, Charles S., and David J. Allen. African Bean Production Environments: Their Definition, Characteristics and Constraints. International Center for Tropical Agriculture, 1994.
MLA (9th ed.) Citation
Wortmann, Charles S., and David J. Allen. African Bean Production Environments: Their Definition, Characteristics and Constraints. International Center for Tropical Agriculture, 1994.
Warning: These citations may not always be 100% accurate.