United States. Department of Health, Education, and Welfare. (1920). Studies of methods for treatment and disposal of sewage: Treatment of sewage from single houses and small communities. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Health, Education, and Welfare. Studies of Methods for Treatment and Disposal of Sewage: Treatment of Sewage from Single Houses and Small Communities. [Washington]: GPO, 1920.
MLA (9th ed.) CitationUnited States. Department of Health, Education, and Welfare. Studies of Methods for Treatment and Disposal of Sewage: Treatment of Sewage from Single Houses and Small Communities. GPO, 1920.
Warning: These citations may not always be 100% accurate.