Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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