Cita APA (7a ed.)

(1963). The Encyclopedia Americana: International edition : first published in 1829 : Complete in thirty volumes. Americana Corporation.

Cita Chicago Style (17a ed.)

The Encyclopedia Americana: International Edition : First Published in 1829 : Complete in Thirty Volumes. New York: Americana Corporation, 1963.

Cita MLA (9a ed.)

The Encyclopedia Americana: International Edition : First Published in 1829 : Complete in Thirty Volumes. Americana Corporation, 1963.