APA

National Library of Medicine U.S, .Dietary supplements labels database: brands, ingredients, and references. Bethesda, MD: United States, National Library of Medicine.

Chicago

National Library of Medicine U.S, .Dietary supplements labels database: brands, ingredients, and references. Bethesda, MD: United States, National Library of Medicine.

Harvard

National Library of Medicine U.S, .Dietary supplements labels database: brands, ingredients, and references. Bethesda, MD: United States, National Library of Medicine.

MLA

National Library of Medicine U.S, .Bethesda, MD: United States, National Library of Medicine. .