Cita APA (7th ed.)

Welch, P. S. (1952). Limnology (2nd ed.). McGraw-Hill Book Company.

Cita Chicago (17th ed.)

Welch, Paul S. Limnology. 2nd ed. New York: McGraw-Hill Book Company, 1952.

Cita MLA (9th ed.)

Welch, Paul S. Limnology. 2nd ed. McGraw-Hill Book Company, 1952.