Cita APA (7a ed.)

Library of Congress. Network Development and MARC Standards Office. (1993). Usmarc code list for countries / prepared by Network Development and MARC Standards Office, Library of Congress. Library of Congress.

Cita Chicago Style (17a ed.)

Library of Congress. Network Development and MARC Standards Office. Usmarc Code List for Countries / Prepared by Network Development and MARC Standards Office, Library of Congress. Washington: Library of Congress, 1993.

Cita MLA (8a ed.)

Library of Congress. Network Development and MARC Standards Office. Usmarc Code List for Countries / Prepared by Network Development and MARC Standards Office, Library of Congress. Library of Congress, 1993.