APA aipamena

(1918). The Encyclopedia Americana: A library of universal knowledge. Encyclopedia Americana Corp..

Chicago Style aipamena

The Encyclopedia Americana: A Library of Universal Knowledge. New York: Encyclopedia Americana Corp., 1918.

MLA aipamena

The Encyclopedia Americana: A Library of Universal Knowledge. Encyclopedia Americana Corp., 1918.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.