Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

United States. Environmental Protection Agency, Office of Research and Development, Saul I. Gass, i Roger L. Sisson. A Guide to Models in Governmental Planning and Operations. Potomac, Md: Sauger Books, 1975.

Cita MLA (9th ed.)

United States. Environmental Protection Agency, et al. A Guide to Models in Governmental Planning and Operations. Sauger Books, 1975.