Cita APA (7a ed.)

Bridgwater, W., & Sherwood, E. J. (1952). The Columbia encyclopedia (2nd ed.). Columbia University Press.

Cita Chicago Style (17a ed.)

Bridgwater, William, y Elizabeth J. Sherwood. The Columbia Encyclopedia. 2nd ed. New York: Columbia University Press, 1952.

Cita MLA (9a ed.)

Bridgwater, William, y Elizabeth J. Sherwood. The Columbia Encyclopedia. 2nd ed. Columbia University Press, 1952.