Library of Congress. Catalog Division. (1931). Subject headings used in dictionary catalogues of Library of Congress; 1st supplement to 3rd edition, including additions to Mar. 1931. U.S. GPO.
Chicago Style (17th ed.) CitationLibrary of Congress. Catalog Division. Subject Headings Used in Dictionary Catalogues of Library of Congress; 1st Supplement to 3rd Edition, Including Additions to Mar. 1931. Washington: U.S. GPO, 1931.
MLA (9th ed.) CitationLibrary of Congress. Catalog Division. Subject Headings Used in Dictionary Catalogues of Library of Congress; 1st Supplement to 3rd Edition, Including Additions to Mar. 1931. U.S. GPO, 1931.
Warning: These citations may not always be 100% accurate.