APA (7th ed.) Citation

Bridgwater, W. (1968). The columbia viking desk encyclopedia (3a. ed.). The Viking Press.

Chicago Style (17th ed.) Citation

Bridgwater, William. The Columbia Viking Desk Encyclopedia. 3a. ed. Nueva York: The Viking Press, 1968.

MLA (9th ed.) Citation

Bridgwater, William. The Columbia Viking Desk Encyclopedia. 3a. ed. The Viking Press, 1968.