Citazione APA

Wetzel, R. G., & Likens, G. E. (1991). Limnological Analyses (2nd ed.). Springer-Verlag.

Stile di citazione Chicago

Wetzel, Robert G., e Gene E. Likens. Limnological Analyses. 2nd ed. New York: Springer-Verlag, 1991.

Citazione MLA

Wetzel, Robert G., e Gene E. Likens. Limnological Analyses. 2nd ed. Springer-Verlag, 1991.