APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

Welch, P. S. Limnology. 2nd ed. New York: McGraw-Hill, 1952.

MLA (9th ed.) Zitazioa

Welch, P. S. Limnology. 2nd ed. McGraw-Hill, 1952.