Cita APA (7th ed.)

Welch, P. S. (1952). Limnology (2d ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Welch, Paul Smith. Limnology. 2d ed. New York: McGraw-Hill, 1952.

Cita MLA (9th ed.)

Welch, Paul Smith. Limnology. 2d ed. McGraw-Hill, 1952.