APA (7th ed.) Citation

Welch, P. S. (1948). Limnological methods. Blakiston Co..

Chicago Style (17th ed.) Citation

Welch, Paul Smith. Limnological Methods. Philadelphia: Blakiston Co., 1948.

MLA (9th ed.) Citation

Welch, Paul Smith. Limnological Methods. Blakiston Co., 1948.