United States. Agricultural Research Service & Beltsville Human Nutrition Research Center. Food Surveys Research Group. (2000). Intakes of selenium, caffeine, and theobromine by adults, 1994-1996. Food Surveys Research Group, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationUnited States. Agricultural Research Service and Beltsville Human Nutrition Research Center. Food Surveys Research Group. Intakes of Selenium, Caffeine, and Theobromine by Adults, 1994-1996. Beltsville, Md.: Food Surveys Research Group, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Dept. of Agriculture, 2000.
MLA (9th ed.) CitationUnited States. Agricultural Research Service and Beltsville Human Nutrition Research Center. Food Surveys Research Group. Intakes of Selenium, Caffeine, and Theobromine by Adults, 1994-1996. Food Surveys Research Group, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Dept. of Agriculture, 2000.