Library of Congress. Network Development and MARC Standars Office (Washington), editor literario. (1990). USMARC format for classification data: Including guidelines for content designation. Library of Congress.
Chicago Style (17th ed.) CitationLibrary of Congress. Network Development and MARC Standars Office (Washington), editor literario. USMARC Format for Classification Data: Including Guidelines for Content Designation. Washington: Library of Congress, 1990.
MLA (9th ed.) CitationLibrary of Congress. Network Development and MARC Standars Office (Washington), editor literario. USMARC Format for Classification Data: Including Guidelines for Content Designation. Library of Congress, 1990.
Warning: These citations may not always be 100% accurate.
