United States. Agency for Toxic Substances and Disease Registry. Division of Toxicology. (2003). Selenium. U.S. Dept. of Health and Human Services, Agency for Toxic Substances Disease Registry.
Chicago Style (17th ed.) CitationUnited States. Agency for Toxic Substances and Disease Registry. Division of Toxicology. Selenium. Atlanta, GA: U.S. Dept. of Health and Human Services, Agency for Toxic Substances Disease Registry, 2003.
MLA (9th ed.) CitationUnited States. Agency for Toxic Substances and Disease Registry. Division of Toxicology. Selenium. U.S. Dept. of Health and Human Services, Agency for Toxic Substances Disease Registry, 2003.
Warning: These citations may not always be 100% accurate.