APA (7th ed.) Citation

Library of Congress. Cataloging Policy and Support Office & Library of Congress. Office for Subject Cataloging Policy. (2003). LC classification outline (7th ed.). Cataloging Distribution Service, Library of Congress.

Chicago Style (17th ed.) Citation

Library of Congress. Cataloging Policy and Support Office and Library of Congress. Office for Subject Cataloging Policy. LC Classification Outline. 7th ed. Washington, D.C.: Cataloging Distribution Service, Library of Congress, 2003.

MLA (9th ed.) Citation

Library of Congress. Cataloging Policy and Support Office and Library of Congress. Office for Subject Cataloging Policy. LC Classification Outline. 7th ed. Cataloging Distribution Service, Library of Congress, 2003.