Cita APA (7a ed.)

Library of Congress. Geography and Map Division. (1991). Map cataloguing manual. Library of Congress, Cataloguing Distribution Service.

Cita Chicago Style (17a ed.)

Library of Congress. Geography and Map Division. Map Cataloguing Manual. Washington: Library of Congress, Cataloguing Distribution Service, 1991.

Cita MLA (9a ed.)

Library of Congress. Geography and Map Division. Map Cataloguing Manual. Library of Congress, Cataloguing Distribution Service, 1991.