APA (7th ed.) Citation

Clark, B. H., & Freedley, G. (1947). A history of modern drama. Appleton-Century.

Chicago Style (17th ed.) Citation

Clark, Barrett Harper, and George Freedley. A History of Modern Drama. New York: Appleton-Century, 1947.

MLA (9th ed.) Citation

Clark, Barrett Harper, and George Freedley. A History of Modern Drama. Appleton-Century, 1947.