Citazione Stile APA (7a Edizione)

Wetzel, R. G. (1975). Limnology: Lake and River Ecosystems (2nd ed.). Academic Pres.

Citazione stile Chigago Style (17a edizione)

Wetzel, Robert G. Limnology: Lake and River Ecosystems. 2nd ed. California: Academic Pres, 1975.

Citatione MLA (9a ed.)

Wetzel, Robert G. Limnology: Lake and River Ecosystems. 2nd ed. Academic Pres, 1975.