APA (7th ed.) Citation

Smith, G. M. (1950). The Fresh-water of the United States. McGraw-Hill.

Chicago Style (17th ed.) Citation

Smith, Gilbert M. The Fresh-water of the United States. New York: McGraw-Hill, 1950.

MLA (9th ed.) Citation

Smith, Gilbert M. The Fresh-water of the United States. McGraw-Hill, 1950.