United States. Department of the Interior. (1931). School health activities in 1930; summary of information collected for White House Conference on Child Health and Protection. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. School Health Activities in 1930; Summary of Information Collected for White House Conference on Child Health and Protection. [Washington]: GPO, 1931.
MLA (9th ed.) CitationUnited States. Department of the Interior. School Health Activities in 1930; Summary of Information Collected for White House Conference on Child Health and Protection. GPO, 1931.
Warning: These citations may not always be 100% accurate.