APA

National Institutes of Health U.S, United States, .National Institutes of Health organization handbook. Washington, D.C: U.S. Dept. of Health, Education and Welfare, Public Health Service.

Chicago

National Institutes of Health U.S, United States, .National Institutes of Health organization handbook. Washington, D.C: U.S. Dept. of Health, Education and Welfare, Public Health Service.

Harvard

National Institutes of Health U.S, United States, .National Institutes of Health organization handbook. Washington, D.C: U.S. Dept. of Health, Education and Welfare, Public Health Service.

MLA

National Institutes of Health U.S, United States, .Washington, D.C: U.S. Dept. of Health, Education and Welfare, Public Health Service. .