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 II-western forested mountains including all or parts of the states of Washington, Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, South Dakota, New Mexico, Arizona and the authorized tribes within the ecoregion. United States 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 II-western Forested Mountains Including All or Parts of the States of Washington, Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, South Dakota, New Mexico, Arizona and the Authorized Tribes Within the Ecoregion. [Washington, D.C.]: United States 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 II-western Forested Mountains Including All or Parts of the States of Washington, Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, South Dakota, New Mexico, Arizona and the Authorized Tribes Within the Ecoregion. United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000.