एपीए उद्धरण

Perkins, E. J. (1974). Biology of esturies and coastal waters. Academic Press.

शिकागो स्टाइल उद्धरण

Perkins, E. J. Biology of Esturies and Coastal Waters. New York: Academic Press, 1974.

एमएलए उद्धरण

Perkins, E. J. Biology of Esturies and Coastal Waters. Academic Press, 1974.