APA (7th ed.) Citation

Sapora, A. V., & Mitchell, E. D. (1961). The theory of play and recreation / by A.V. Sapora and E.D. Mitchell (3rd ed.). Ronald.

Chicago Style (17th ed.) Citation

Sapora, A. V., and E. D. Mitchell. The Theory of Play and Recreation / by A.V. Sapora and E.D. Mitchell. 3rd ed. Ronald, 1961.

MLA (9th ed.) Citation

Sapora, A. V., and E. D. Mitchell. The Theory of Play and Recreation / by A.V. Sapora and E.D. Mitchell. 3rd ed. Ronald, 1961.

Warning: These citations may not always be 100% accurate.