The Theory of play

MLA

Mitchell, Elmer D., and Bernard S Mason. The Theory of Play. Second and revised and enlarged edition New York: Barnes, 1948.

APA

Mitchell, E. D., & Mason, B. S. (1948). The Theory of play. Second and revised and enlarged edition New York: Barnes.

Chicago

Mitchell, Elmer D., and Bernard S. Mason. The Theory of Play. Second and revised and enlarged edition New York: Barnes, 1948.