एपीए उद्धरण

Levin, S. A. (1989). Ecotoxicology: Problems and approaches. Springer-Verlag.

शिकागो स्टाइल उद्धरण

Levin, Simon A. Ecotoxicology: Problems and Approaches. New York: Springer-Verlag, 1989.

एमएलए उद्धरण

Levin, Simon A. Ecotoxicology: Problems and Approaches. Springer-Verlag, 1989.