APA (7th ed.) Citation

Wilkinson, P. F. (1980). Innovation in play environments. St. Martin's Press.

Chicago Style (17th ed.) Citation

Wilkinson, Paul F. Innovation in Play Environments. New York: St. Martin's Press, 1980.

MLA (9th ed.) Citation

Wilkinson, Paul F. Innovation in Play Environments. St. Martin's Press, 1980.