APA (7th ed.) Citation

Davis, C. B. (1949). Playtime is over ([1st ed.].). J.B. Lippincott Co..

Chicago Style (17th ed.) Citation

Davis, Clyde Brion. Playtime Is over. [1st ed.]. Philadelphia: J.B. Lippincott Co., 1949.

MLA (9th ed.) Citation

Davis, Clyde Brion. Playtime Is over. [1st ed.]. J.B. Lippincott Co., 1949.