Library of Congress. Network Development and MARC Standards Office. (1997). USMARC format for authority data: Including guidelines for content designation (1993 edition.).
Chicago Style CitationLibrary of Congress. Network Development and MARC Standards Office. USMARC Format for Authority Data: Including Guidelines for Content Designation. 1993 edition. 1997.
MLA CitationLibrary of Congress. Network Development and MARC Standards Office. USMARC Format for Authority Data: Including Guidelines for Content Designation. 1993 edition. 1997.
Warning: These citations may not always be 100% accurate.