Citazione Stile APA (7a Edizione)

United States. Library of Congress. (1994). Library of Congress classification. H. Social sciences. Library of Congress.

Citazione stile Chigago Style (17a edizione)

United States. Library of Congress. Library of Congress Classification. H. Social Sciences. Washington, D.C: Library of Congress, 1994.

Citatione MLA (9a ed.)

United States. Library of Congress. Library of Congress Classification. H. Social Sciences. Library of Congress, 1994.