एपीए उद्धरण

Christiansen. (1977). Theories of populations in biological communities. Springer-Verlag.

शिकागो स्टाइल उद्धरण

Christiansen. Theories of Populations in Biological Communities. New York: Springer-Verlag, 1977.

एमएलए उद्धरण

Christiansen. Theories of Populations in Biological Communities. Springer-Verlag, 1977.