Library of Congress. Cataloging Policy and Support Office. (2003). LC classification outline (Seventh edition.). Cataloging Distribution Service, Library of Congress.
Chicago Style (17th ed.) CitationLibrary of Congress. Cataloging Policy and Support Office. LC Classification Outline. Seventh edition. Washington, D.C: Cataloging Distribution Service, Library of Congress, 2003.
MLA (9th ed.) CitationLibrary of Congress. Cataloging Policy and Support Office. LC Classification Outline. Seventh edition. Cataloging Distribution Service, Library of Congress, 2003.
Warning: These citations may not always be 100% accurate.