USMARC code list for relators, sources, description conventions /
prepared by Network Development and MARC Standards Office.

APA Citation

Library of Congress. Network Development and MARC Standards Office. (1993). USMARC code list for relators, sources, description conventions. 1993 ed. Washington: Cataloging Distribution Service, Library of Congress.

MLA Citation

Library of Congress. Network Development and MARC Standards Office. USMARC Code List for Relators, Sources, Description Conventions. 1993 ed. Washington: Cataloging Distribution Service, Library of Congress, 1993.