Norman, D. W., Simmons, E. B., & Hays, H. M. (1982). Farming systems in the Nigerian savanna: Research and strategies for development. Westview Press.
Chicago Style (17th ed.) CitationNorman, D. W., Emmy B. Simmons, and Henry Merlin Hays. Farming Systems in the Nigerian Savanna: Research and Strategies for Development. Boulder, Colo.: Westview Press, 1982.
MLA (9th ed.) CitationNorman, D. W., et al. Farming Systems in the Nigerian Savanna: Research and Strategies for Development. Westview Press, 1982.
Warning: These citations may not always be 100% accurate.