Bridgwater, W. (1960). The Columbia Viking desk encyclopedia (2a. ed.). The Viking Press.
Chicago Style (17th ed.) CitationBridgwater, William. The Columbia Viking Desk Encyclopedia. 2a. ed. Nueva York: The Viking Press, 1960.
MLA (9th ed.) CitationBridgwater, William. The Columbia Viking Desk Encyclopedia. 2a. ed. The Viking Press, 1960.
Warning: These citations may not always be 100% accurate.