United States. Office of Education & Monroe, W. S. (1917). Development of arithmetic as school subject. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Office of Education and Walter Scott Monroe. Development of Arithmetic as School Subject. Washington: U.S. GPO, 1917.
MLA (9th ed.) CitationUnited States. Office of Education and Walter Scott Monroe. Development of Arithmetic as School Subject. U.S. GPO, 1917.
Warning: These citations may not always be 100% accurate.