Columbia University, Bridgwater, W., & Sherwood, E. J. (1950). The Columbia encyclopedia (2nd ed.). P. F. Collier & Sons.
Chicago Style aipamenaColumbia University, William Bridgwater, and Elizabeth J. Sherwood. The Columbia Encyclopedia. 2nd ed. New York: P. F. Collier & Sons, 1950.
MLA aipamenaColumbia University, et al. The Columbia Encyclopedia. 2nd ed. P. F. Collier & Sons, 1950.
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