Cita APA (7th ed.)

Library of Congress. Cataloging Policy and Support Office & Library of Congress. Cataloging Distribution Service. (2004). Library of Congress subject headings (28th ed.). Library of Congress, Cataloging Distribution Service.

Cita Chicago (17th ed.)

Library of Congress. Cataloging Policy and Support Office i Library of Congress. Cataloging Distribution Service. Library of Congress Subject Headings. 28th ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 2004.

Cita MLA (9th ed.)

Library of Congress. Cataloging Policy and Support Office i Library of Congress. Cataloging Distribution Service. Library of Congress Subject Headings. 28th ed. Library of Congress, Cataloging Distribution Service, 2004.