Cita APA (7th ed.)

Welch, P. S. (1952). Limnology (Second Edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Welch, Paul Smith. Limnology. Second Edition. New York: McGraw-Hill, 1952.

Cita MLA (9th ed.)

Welch, Paul Smith. Limnology. Second Edition. McGraw-Hill, 1952.