Information on the MARC system /
prepared by the MARC Development Office.

APA Citation

Library of Congress. MARC Development Office. (1973). Information on the MARC system. 3d ed. Washington: Library of Congress.

MLA Citation

Library of Congress. MARC Development Office. Information On the MARC System. 3d ed. Washington: Library of Congress, 1973.

Warning: These citations may not always be complete (especially for serials).