Cita APA (7a ed.)

Columbia University & Ansley, C. F. (1947). The Columbia encyclopedia in one volume (20th. printing.). Columbia University Press.

Cita Chicago Style (17a ed.)

Columbia University y Clarke F. Ansley. The Columbia Encyclopedia in One Volume. 20th. printing. New York: Columbia University Press, 1947.

Cita MLA (9a ed.)

Columbia University y Clarke F. Ansley. The Columbia Encyclopedia in One Volume. 20th. printing. Columbia University Press, 1947.