APA (7th ed.) Citation

(1998). Library of Congress classification. A. General works / prepared by the Cataloging Policy and Support Office, Library Services.

Chicago Style (17th ed.) Citation

Library of Congress Classification. A. General Works / Prepared by the Cataloging Policy and Support Office, Library Services. 1998.

MLA (9th ed.) Citation

Library of Congress Classification. A. General Works / Prepared by the Cataloging Policy and Support Office, Library Services. 1998.