Cita APA (7a ed.)

Library of Congress. (2003). Subject headings (26th ed.). Library of Congress.

Cita Chicago Style (17a ed.)

Library of Congress. Subject Headings. 26th ed. Washington: Library of Congress, 2003.

Cita MLA (9a ed.)

Library of Congress. Subject Headings. 26th ed. Library of Congress, 2003.

Precaución: Estas citas no son 100% exactas.