एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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