Cita APA (7a ed.)

Library of Congress. Network Development and MARC Standars Office (Washington), editor literario. (1989). USMARC format for holdings data: Including guidelines for content designation. Library of Congress.

Cita Chicago Style (17a ed.)

Library of Congress. Network Development and MARC Standars Office (Washington), editor literario. USMARC Format for Holdings Data: Including Guidelines for Content Designation. Washington: Library of Congress, 1989.

Cita MLA (9a ed.)

Library of Congress. Network Development and MARC Standars Office (Washington), editor literario. USMARC Format for Holdings Data: Including Guidelines for Content Designation. Library of Congress, 1989.