National Library of Medicine (U.S.). (1978). National Library of Medicine classification: A scheme for the shelf arrangement of books in the field of medicine and its related sciences (Fourth edition.). The Library.
Chicago Style (17th ed.) CitationNational Library of Medicine (U.S.). National Library of Medicine Classification: A Scheme for the Shelf Arrangement of Books in the Field of Medicine and Its Related Sciences. Fourth edition. Bethesda, Md.: The Library, 1978.
MLA (9th ed.) CitationNational Library of Medicine (U.S.). National Library of Medicine Classification: A Scheme for the Shelf Arrangement of Books in the Field of Medicine and Its Related Sciences. Fourth edition. The Library, 1978.
Warning: These citations may not always be 100% accurate.