Cita APA (7a ed.)

Library of Congress. (1983). Information for Readers in the Library of Congress (Revised edition.). Library of Congress.

Cita Chicago Style (17a ed.)

Library of Congress. Information for Readers in the Library of Congress. Revised edition. Washington: Library of Congress, 1983.

Cita MLA (9a ed.)

Library of Congress. Information for Readers in the Library of Congress. Revised edition. Library of Congress, 1983.