APA (7th ed.) Citation

Library of Congress. (2008). Library of Congress classification. C. Auxiliary sciences of history (2008 ed.). Library of Congress, Cataloging Distribution Service.

Chicago Style (17th ed.) Citation

Library of Congress. Library of Congress Classification. C. Auxiliary Sciences of History. 2008 ed. Washington, DC: Library of Congress, Cataloging Distribution Service, 2008.

MLA (9th ed.) Citation

Library of Congress. Library of Congress Classification. C. Auxiliary Sciences of History. 2008 ed. Library of Congress, Cataloging Distribution Service, 2008.