Cita APA (7th ed.)

Library of Congress & Library of Congress. Cataloging Policy and Support Office. (1999). Library of Congress classification. T. Technology (1999 ed.). Library of Congress, Cataloging Distribution Service.

Cita Chicago (17th ed.)

Library of Congress i Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. T. Technology. 1999 ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1999.

Cita MLA (9th ed.)

Library of Congress i Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. T. Technology. 1999 ed. Library of Congress, Cataloging Distribution Service, 1999.