APA Citation

Estados Unidos. Library of Congress. (1974). Information on the Marc system. [S.l.]: Library of Congress.

Chicago Style Citation

Estados Unidos. Library of Congress. Information On the Marc System. [S.l.]: Library of Congress, 1974.

MLA Citation

Estados Unidos. Library of Congress. Information On the Marc System. [S.l.]: Library of Congress, 1974.

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