Shaner, W. W., Schmehl, W. R., & Philipp, P. F. (1982). Farming systems research and development: Guidelines for developing countries. Westview Press.
Chicago Style (17th ed.) CitationShaner, W. W., W. R. Schmehl, and P. F. Philipp. Farming Systems Research and Development: Guidelines for Developing Countries. Boulder, Colo: Westview Press, 1982.
MLA (9th ed.) CitationShaner, W. W., et al. Farming Systems Research and Development: Guidelines for Developing Countries. Westview Press, 1982.
Warning: These citations may not always be 100% accurate.