Cita APA (7a ed.)

U.S. Library of Congress. Descriptive Cataloging Division. (1949). Rules for descriptive cataloging in the Library of Congress (adopted by the American Library Association).

Cita Chicago Style (17a ed.)

U.S. Library of Congress. Descriptive Cataloging Division. Rules for Descriptive Cataloging in the Library of Congress (adopted by the American Library Association). Washington, D. C, 1949.

Cita MLA (9a ed.)

U.S. Library of Congress. Descriptive Cataloging Division. Rules for Descriptive Cataloging in the Library of Congress (adopted by the American Library Association). 1949.

Precaución: Estas citas no son 100% exactas.