एपीए उद्धरण

Wallace, G. (1975). Introduction to ornithology. Macmillan Company.

शिकागो स्टाइल उद्धरण

Wallace, G.J. Introduction to Ornithology. New York: Macmillan Company, 1975.

एमएलए उद्धरण

Wallace, G.J. Introduction to Ornithology. Macmillan Company, 1975.