MARC manuals used by the Library of Congress. -
APA Citation
Library of Congress. Information Systems Office. (1970). MARC manuals used by the Library of Congress. -. 2d ed. -. Chicago: Information Science and Automation Division, American Library Association.
MLA Citation
Library of Congress. Information Systems Office. MARC Manuals Used by the Library of Congress. -. 2d ed. -. Chicago: Information Science and Automation Division, American Library Association, 1970.
Warning: These citations may not always be complete (especially for serials).