United States. Environmental Protection Agency. Office of Science and Technology. Standards and Applied Science Division. (1999). The national survey of mercury concentrations in fish: Data base summary : 1990-1995. U.S. Environmental Protection Agency, Standards and Applied Science Division.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Science and Technology. Standards and Applied Science Division. The National Survey of Mercury Concentrations in Fish: Data Base Summary : 1990-1995. Washington, DC (401 M St., SW, Washington 20460): U.S. Environmental Protection Agency, Standards and Applied Science Division, 1999.
MLA (8th ed.) CitationUnited States. Environmental Protection Agency. Office of Science and Technology. Standards and Applied Science Division. The National Survey of Mercury Concentrations in Fish: Data Base Summary : 1990-1995. U.S. Environmental Protection Agency, Standards and Applied Science Division, 1999.