APA (7th ed.) Citation

Smith, G. M. (1933). The fresh-water algae of the United States. McGraw-Hill book company, inc..

Chicago Style (17th ed.) Citation

Smith, Gilbert Morgan. The Fresh-water Algae of the United States. New York, London: McGraw-Hill book company, inc., 1933.

MLA (9th ed.) Citation

Smith, Gilbert Morgan. The Fresh-water Algae of the United States. McGraw-Hill book company, inc., 1933.