Cita APA (7th ed.)

United States Library of Congress. (1995). Subject headings (18th ed.). Library of Congress, Cataloging Distribution Service.

Cita Chicago (17th ed.)

United States Library of Congress. Subject Headings. 18th ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1995.

Cita MLA (9th ed.)

United States Library of Congress. Subject Headings. 18th ed. Library of Congress, Cataloging Distribution Service, 1995.