APA استشهاد

Bridgwater, W. (1963). The colombia encyclopedia (3rd. ed.). Colombia University Press.

استشهاد بنمط شيكاغو

Bridgwater, William. The Colombia Encyclopedia. 3rd. ed. New York: Colombia University Press, 1963.

MLA استشهاد

Bridgwater, William. The Colombia Encyclopedia. 3rd. ed. Colombia University Press, 1963.