APA-Zitierstil (7. Ausg.)

Library of Congress & Subjet Cataloging Division. (1999). Library of Congress Subject Headings (21st. ed.). The National Bibliographic Service.

Chicago-Zitierstil (17. Ausg.)

Library of Congress und Subjet Cataloging Division. Library of Congress Subject Headings. 21st. ed. Washington: The National Bibliographic Service, 1999.

MLA-Zitierstil (9. Ausg.)

Library of Congress und Subjet Cataloging Division. Library of Congress Subject Headings. 21st. ed. The National Bibliographic Service, 1999.