United States. Environmental Protection Agency. Health and Ecological Criteria Division. (2000). Ambient water quality criteria recommendations: Information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion XI : the central and eastern forested uplands including all or parts of the states of Pennsylvania ... and the tribes within the ecoregion. U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Health and Ecological Criteria Division. Ambient Water Quality Criteria Recommendations: Information Supporting the Development of State and Tribal Nutrient Criteria for Rivers and Streams in Nutrient Ecoregion XI : The Central and Eastern Forested Uplands Including All or Parts of the States of Pennsylvania ... and the Tribes Within the Ecoregion. Washington, D.C.: U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Health and Ecological Criteria Division. Ambient Water Quality Criteria Recommendations: Information Supporting the Development of State and Tribal Nutrient Criteria for Rivers and Streams in Nutrient Ecoregion XI : The Central and Eastern Forested Uplands Including All or Parts of the States of Pennsylvania ... and the Tribes Within the Ecoregion. U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000.