Cita APA (7th ed.)

Wetzel, R. G. (2006). Limnology: Lake and river ecosystems. Academic Pr..

Cita Chicago (17th ed.)

Wetzel, Robert G. Limnology: Lake and River Ecosystems. California: Academic Pr., 2006.

Cita MLA (9th ed.)

Wetzel, Robert G. Limnology: Lake and River Ecosystems. Academic Pr., 2006.