APA (7th ed.) Citation

United States. Office of Education & Perry, C. A. (1917). School extension statistics. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Office of Education and Clarence Arthur Perry. School Extension Statistics. Washington: U.S. GPO, 1917.

MLA (9th ed.) Citation

United States. Office of Education and Clarence Arthur Perry. School Extension Statistics. U.S. GPO, 1917.

Warning: These citations may not always be 100% accurate.