Cita APA (7a ed.)
Sutton-Smith, B. (1997). The ambiguity of play. Harvard University Press.
Cita Chicago Style (17a ed.)
Sutton-Smith, Brian. The Ambiguity of Play. Cambridge, MA: Harvard University Press, 1997.
Cita MLA (9a ed.)
Sutton-Smith, Brian. The Ambiguity of Play. Harvard University Press, 1997.
Precaución: Estas citas no son 100% exactas.