एपीए उद्धरण

Gliessman, S. R. (1998). Agroecology: Ecologycal processes in sustainable agriculture. Chelsea, MI: Ann Arbor Press.

शिकागो स्टाइल उद्धरण

Gliessman, Stephen R. Agroecology: Ecologycal Processes in Sustainable Agriculture. Chelsea, MI: Ann Arbor Press, 1998.

एमएलए उद्धरण

Gliessman, Stephen R. Agroecology: Ecologycal Processes in Sustainable Agriculture. Chelsea, MI: Ann Arbor Press, 1998.