एपीए उद्धरण

Burnett, A. L. (1973). Biology of hydra. Academic press.

शिकागो स्टाइल उद्धरण

Burnett, Allison L. Biology of Hydra. New York: Academic press, 1973.

एमएलए उद्धरण

Burnett, Allison L. Biology of Hydra. Academic press, 1973.