APA Zitierstil

(1997). Library of Congress Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service.

Chicago Zitierstil

Library of Congress Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1997.

MLA Zitierstil

Library of Congress Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1997.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.