APA (7th ed.) Citation

Cecil, H. L., & Heaps, W. A. (1940). School library service in the United States, an interpretative survey. H. W. Wilson Company.

Chicago Style (17th ed.) Citation

Cecil, Henry L., and Willard A. Heaps. School Library Service in the United States, an Interpretative Survey. New York: H. W. Wilson Company, 1940.

MLA (9th ed.) Citation

Cecil, Henry L., and Willard A. Heaps. School Library Service in the United States, an Interpretative Survey. H. W. Wilson Company, 1940.