APA

National Library of Medicine U.S, United States, .Annual report for the fiscal year. Bethesda, Md: U.S. Dept. of Health, Education, and Welfare, Public Health Service.

Chicago

National Library of Medicine U.S, United States, .Annual report for the fiscal year. Bethesda, Md: U.S. Dept. of Health, Education, and Welfare, Public Health Service.

Harvard

National Library of Medicine U.S, United States, .Annual report for the fiscal year. Bethesda, Md: U.S. Dept. of Health, Education, and Welfare, Public Health Service.

MLA

National Library of Medicine U.S, United States, .Bethesda, Md: U.S. Dept. of Health, Education, and Welfare, Public Health Service. .