एपीए उद्धरण

Wetzel, R. G. (2001). Limnology: Lake and river ecosystems. San Diego, CA: Academic Press.

शिकागो स्टाइल उद्धरण

Wetzel, Robert G. Limnology: Lake and River Ecosystems. San Diego, CA: Academic Press, 2001.

एमएलए उद्धरण

Wetzel, Robert G. Limnology: Lake and River Ecosystems. San Diego, CA: Academic Press, 2001.