United States. Environmental Protection Agency. Monitoring Systems Research and Development Division. (1976). Measurement of total radium and radium-226 in environmental waters: A tentative reference method. U.S. Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, Monitoring Systems Research and Development Division, Quality Assurance Branch.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Monitoring Systems Research and Development Division. Measurement of Total Radium and Radium-226 in Environmental Waters: A Tentative Reference Method. Las Vegas, Nev.: U.S. Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, Monitoring Systems Research and Development Division, Quality Assurance Branch, 1976.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Monitoring Systems Research and Development Division. Measurement of Total Radium and Radium-226 in Environmental Waters: A Tentative Reference Method. U.S. Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, Monitoring Systems Research and Development Division, Quality Assurance Branch, 1976.