Cita APA

National Library of Medicine (U.S.). National Library of Medicine current catalog. Bethesda, Md.: U.S. Dept. of Health, Education, and Welfare, Public Health Service ; Washington : For sale by the Supt. of Docs., G.P.O..

Citación estilo Chicago

National Library of Medicine (U.S.). National Library of Medicine Current Catalog. Bethesda, Md.: U.S. Dept. of Health, Education, and Welfare, Public Health Service ; Washington : For sale by the Supt. of Docs., G.P.O..

Cita MLA

National Library of Medicine (U.S.). National Library of Medicine Current Catalog. Bethesda, Md.: U.S. Dept. of Health, Education, and Welfare, Public Health Service ; Washington : For sale by the Supt. of Docs., G.P.O..