MARC 21 format for bibliographic data: Including guidelines for content designation (1999 ed.). Library of Congress, Cataloging Distribution Service [u.a.].
Chicago Style (17th ed.) CitationMARC 21 Format for Bibliographic Data: Including Guidelines for Content Designation. 1999 ed. Washington [D.C.]: Library of Congress, Cataloging Distribution Service [u.a.].
MLA (9th ed.) CitationMARC 21 Format for Bibliographic Data: Including Guidelines for Content Designation. 1999 ed. Library of Congress, Cataloging Distribution Service [u.a.].
Warning: These citations may not always be 100% accurate.