Departament of Health Education and Welfare. (1970). Tumor manual: MEDLARS Indexing Instructions. National Library of Medicine.
Chicago Style (17th ed.) CitationDepartament of Health Education and Welfare. Tumor Manual: MEDLARS Indexing Instructions. EE.UU: National Library of Medicine, 1970.
MLA (9th ed.) CitationDepartament of Health Education and Welfare. Tumor Manual: MEDLARS Indexing Instructions. National Library of Medicine, 1970.