Cita APA (7th ed.)

Welch, P. S. (1963). Limnology. McGraw-Hill.

Cita Chicago (17th ed.)

Welch, Paul Smith. Limnology. New York: McGraw-Hill, 1963.

Cita MLA (9th ed.)

Welch, Paul Smith. Limnology. McGraw-Hill, 1963.

Atenció: Aquestes cites poden no estar 100% correctes.