APA (7th ed.) Citation

Library of Congress. (1901). America, history and geography, preliminary and provisional scheme of classification. US GPO.

Chicago Style (17th ed.) Citation

Library of Congress. America, History and Geography, Preliminary and Provisional Scheme of Classification. Washington, D.C.: US GPO, 1901.

MLA (9th ed.) Citation

Library of Congress. America, History and Geography, Preliminary and Provisional Scheme of Classification. US GPO, 1901.