APA (7th ed.) Citation

Calvert, C. K. (1940). Treatment with copper sulfate, chlorine and ammonia. Journal: American Water Works Association, 32, 1155.

Chicago Style (17th ed.) Citation

Calvert, C. K. "Treatment with Copper Sulfate, Chlorine and Ammonia." Journal: American Water Works Association 32 (1940): 1155.

MLA (9th ed.) Citation

Calvert, C. K. "Treatment with Copper Sulfate, Chlorine and Ammonia." Journal: American Water Works Association, vol. 32, 1940, p. 1155.