Citazione Stile APA (7a Edizione)

U. S. Library of Congress. Reference Department. (1949). A Guide to special book collections in the Library of Congress.

Citazione stile Chigago Style (17a edizione)

U. S. Library of Congress. Reference Department. A Guide to Special Book Collections in the Library of Congress. Washington, 1949.

Citatione MLA (9a ed.)

U. S. Library of Congress. Reference Department. A Guide to Special Book Collections in the Library of Congress. 1949.