Citazione Stile APA (7a Edizione)

U. S. Library of Congress. Information Systems Office. (1970). Marc manuals used by the Library of Congress (2nd ed.). Information Science and Automation Division, American Library Association.

Citazione stile Chigago Style (17a edizione)

U. S. Library of Congress. Information Systems Office. Marc Manuals Used by the Library of Congress. 2nd ed. Chicago: Information Science and Automation Division, American Library Association, 1970.

Citatione MLA (9a ed.)

U. S. Library of Congress. Information Systems Office. Marc Manuals Used by the Library of Congress. 2nd ed. Information Science and Automation Division, American Library Association, 1970.