Cita APA (7a ed.)

Library of Congress. (1991). Library of Congress subject headings (14th ed.). Library of Congress, Cataloging Distribution Service.

Cita Chicago Style (17a ed.)

Library of Congress. Library of Congress Subject Headings. 14th ed. Washington: Library of Congress, Cataloging Distribution Service, 1991.

Cita MLA (9a ed.)

Library of Congress. Library of Congress Subject Headings. 14th ed. Library of Congress, Cataloging Distribution Service, 1991.