APA (7th ed.) Citation

National Institutes of Health (U.S.), National Council on Patient Information and Education (U.S.), & Knowlton, C. H. (2000). Take your medicines safely. National Institutes of Health.

Chicago Style (17th ed.) Citation

National Institutes of Health (U.S.), National Council on Patient Information and Education (U.S.), and Calvin H. Knowlton. Take Your Medicines Safely. [Bethesda, Md.]: National Institutes of Health, 2000.

MLA (9th ed.) Citation

National Institutes of Health (U.S.), et al. Take Your Medicines Safely. National Institutes of Health, 2000.