Citazione Stile APA (7a Edizione)
National Library of Medicine. (1960). Medical subject headings: Main headings, subheadings, and cross references used in the Index medicus and the National Library of Medicine Catalog. U.S. Departm. of Health, Education and Welfare.
Citazione stile Chigago Style (17a edizione)
National Library of Medicine. Medical Subject Headings: Main Headings, Subheadings, and Cross References Used in the Index Medicus and the National Library of Medicine Catalog. Washington: U.S. Departm. of Health, Education and Welfare, 1960.
Citatione MLA (9a ed.)
National Library of Medicine. Medical Subject Headings: Main Headings, Subheadings, and Cross References Used in the Index Medicus and the National Library of Medicine Catalog. U.S. Departm. of Health, Education and Welfare, 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.