APA (7th ed.) Citation

Library of Congress. Subject Cataloging Division. (1989). Library of Congress subject headings (12th ed.). Cataloging Distribution Services.

Chicago Style (17th ed.) Citation

Library of Congress. Subject Cataloging Division. Library of Congress Subject Headings. 12th ed. Washington, D.C: Cataloging Distribution Services, 1989.

MLA (9th ed.) Citation

Library of Congress. Subject Cataloging Division. Library of Congress Subject Headings. 12th ed. Cataloging Distribution Services, 1989.