APA (7th ed.) Citation

Sutton-Smith, B. (1997). The ambiguity of play. Harvard University.

Chicago Style (17th ed.) Citation

Sutton-Smith, Brian. The Ambiguity of Play. Cambridge (Massachusetts) [etc.]: Harvard University, 1997.

MLA (9th ed.) Citation

Sutton-Smith, Brian. The Ambiguity of Play. Harvard University, 1997.