APA (7th ed.) Citation

(1999). MARC 21. Format for authority data: Including guidelines for content designation : 1999 edition. Library of Congress [etc.].

Chicago Style (17th ed.) Citation

MARC 21. Format for Authority Data: Including Guidelines for Content Designation : 1999 Edition. Washington [etc.]: Library of Congress [etc.], 1999.

MLA (9th ed.) Citation

MARC 21. Format for Authority Data: Including Guidelines for Content Designation : 1999 Edition. Library of Congress [etc.], 1999.

Warning: These citations may not always be 100% accurate.