APA

Cecil Henry L, . (1940). School library service in the United States: An interpretative survey. New York, USA: The H. W. Wilson Company.

Chicago

Cecil Henry L, . 1940. School library service in the United States: An interpretative survey. New York, USA: The H. W. Wilson Company.

Harvard

Cecil Henry L, . (1940). School library service in the United States: An interpretative survey. New York, USA: The H. W. Wilson Company.

MLA

Cecil Henry L, . School library service in the United States: An interpretative survey. New York, USA: The H. W. Wilson Company. 1940.