Knovel (Firm) & Nutrient Data Laboratory (U.S.). (2004). USDA database for the proanthocyanidin content of selected foods. U.S. Dept. of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Nutrient Data Laboratory.
Chicago Style (17th ed.) CitationKnovel (Firm) and Nutrient Data Laboratory (U.S.). USDA Database for the Proanthocyanidin Content of Selected Foods. Beltsville, Md.: U.S. Dept. of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Nutrient Data Laboratory, 2004.
MLA (9th ed.) CitationKnovel (Firm) and Nutrient Data Laboratory (U.S.). USDA Database for the Proanthocyanidin Content of Selected Foods. U.S. Dept. of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Nutrient Data Laboratory, 2004.