APA (7th ed.) Citation
Allen, D. J., Dessert, M., Trutmann, P., & Voss, J. (1989). Common beans in Africa and their constraints. International Center for Tropical Agriculture.
Chicago Style (17th ed.) Citation
Allen, David J., M. Dessert, P. Trutmann, and J. Voss. Common Beans in Africa and Their Constraints. International Center for Tropical Agriculture, 1989.
MLA (9th ed.) Citation
Allen, David J., et al. Common Beans in Africa and Their Constraints. International Center for Tropical Agriculture, 1989.
Warning: These citations may not always be 100% accurate.