Citazione Stile APA (7a Edizione)

Library of Congress & Subjet Cataloging Division. (1999). Library of Congress Subject Headings (23rd. ed.). The National Bibliographic Service.

Citazione stile Chigago Style (17a edizione)

Library of Congress e Subjet Cataloging Division. Library of Congress Subject Headings. 23rd. ed. Washington: The National Bibliographic Service, 1999.

Citatione MLA (9a ed.)

Library of Congress e Subjet Cataloging Division. Library of Congress Subject Headings. 23rd. ed. The National Bibliographic Service, 1999.