APA (7th ed.) Citation

United States. Department of Health, Education, and Welfare. (1923). Sewage treatment in U.S: Report on study of 15 representative sewage treatment plants. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Health, Education, and Welfare. Sewage Treatment in U.S: Report on Study of 15 Representative Sewage Treatment Plants. [Washington]: GPO, 1923.

MLA (9th ed.) Citation

United States. Department of Health, Education, and Welfare. Sewage Treatment in U.S: Report on Study of 15 Representative Sewage Treatment Plants. GPO, 1923.