United States. Department of Health, Education, and Welfare. (1921). Transactions of 18th annual Conference of State and Territorial Health Officers with U.S. Public Health Service, held at Washington, D.C., May 26 and 27, 1920. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Health, Education, and Welfare. Transactions of 18th Annual Conference of State and Territorial Health Officers with U.S. Public Health Service, Held at Washington, D.C., May 26 and 27, 1920. [Washington]: GPO, 1921.
MLA (9th ed.) CitationUnited States. Department of Health, Education, and Welfare. Transactions of 18th Annual Conference of State and Territorial Health Officers with U.S. Public Health Service, Held at Washington, D.C., May 26 and 27, 1920. GPO, 1921.
Warning: These citations may not always be 100% accurate.