APA (7th ed.) Citation

United States. Environmental Protection Agency. Office of Wetlands Protection. (1990). National guidance: Water quality standards for wetlands. United States Environmental Protection Agency, Office of Water Regulations and Standards, Office of Wetlands Protection.

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency. Office of Wetlands Protection. National Guidance: Water Quality Standards for Wetlands. [Washington, D.C.]: United States Environmental Protection Agency, Office of Water Regulations and Standards, Office of Wetlands Protection, 1990.

MLA (9th ed.) Citation

United States. Environmental Protection Agency. Office of Wetlands Protection. National Guidance: Water Quality Standards for Wetlands. United States Environmental Protection Agency, Office of Water Regulations and Standards, Office of Wetlands Protection, 1990.