APA (7th ed.) Citation

Library of Congress. (2007). Library of congress subject heading: Prepared by the cataloging policy and support office,library services (30th ed.). Cataloging Distribution Servise.

Chicago Style (17th ed.) Citation

Library of Congress. Library of Congress Subject Heading: Prepared by the Cataloging Policy and Support Office,library Services. 30th ed. Washington: Cataloging Distribution Servise, 2007.

MLA (9th ed.) Citation

Library of Congress. Library of Congress Subject Heading: Prepared by the Cataloging Policy and Support Office,library Services. 30th ed. Cataloging Distribution Servise, 2007.