एपीए उद्धरण

Levin, S. A. (2001). Encyclopaedia of biodiversity. Routledge.

शिकागो स्टाइल उद्धरण

Levin, Simon Asher. Encyclopaedia of Biodiversity. London: Routledge, 2001.

एमएलए उद्धरण

Levin, Simon Asher. Encyclopaedia of Biodiversity. Routledge, 2001.