United States. Environmental Protection Agency, Office of Research and Development, Gass, S. I., & Sisson, R. L. (1975). A Guide to models in governmental planning and operations. Sauger Books.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency, Office of Research and Development, Saul I. Gass, and Roger L. Sisson. A Guide to Models in Governmental Planning and Operations. Potomac, Md: Sauger Books, 1975.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency, et al. A Guide to Models in Governmental Planning and Operations. Sauger Books, 1975.
Warning: These citations may not always be 100% accurate.