National Center for Health Statistics (U.S.). (1987). The International classification of diseases: Clinical modification : ICD-9-CM (Ninth revision, volumes first and second update.). Department of Health and Human Services, Public Health Service, National Center for Health Statistics ; For sale by the Supt. of Docs., U.S.G.P.O..
Chicago Style (17th ed.) CitationNational Center for Health Statistics (U.S.). The International Classification of Diseases: Clinical Modification : ICD-9-CM. Ninth revision, volumes first and second update. Hyattsville, Md. : Washington, D.C.: Department of Health and Human Services, Public Health Service, National Center for Health Statistics ; For sale by the Supt. of Docs., U.S.G.P.O., 1987.
MLA (9th ed.) CitationNational Center for Health Statistics (U.S.). The International Classification of Diseases: Clinical Modification : ICD-9-CM. Ninth revision, volumes first and second update. Department of Health and Human Services, Public Health Service, National Center for Health Statistics ; For sale by the Supt. of Docs., U.S.G.P.O., 1987.