Cita APA (7a ed.)

United States. Library of Congress & Library of Congress. Cataloging Policy and Support Office. (2008). Library of Congress classification. L. Education (2008 ed.). Library of Congress, Cataloging Distribution Service.

Cita Chicago Style (17a ed.)

United States. Library of Congress y Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. L. Education. 2008 ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 2008.

Cita MLA (9a ed.)

United States. Library of Congress y Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. L. Education. 2008 ed. Library of Congress, Cataloging Distribution Service, 2008.