Citazione Stile APA (7a Edizione)

United States. Library of Congress, Subject Cataloging Division. (1986). LC classification outline (5th ed.). Library of Congress.

Citazione stile Chigago Style (17a edizione)

United States. Library of Congress, Subject Cataloging Division. LC Classification Outline. 5th ed. Washington, D. C: Library of Congress, 1986.

Citatione MLA (9a ed.)

United States. Library of Congress, Subject Cataloging Division. LC Classification Outline. 5th ed. Library of Congress, 1986.