Cita APA (7th ed.)
Sicart, M. (2014). Play matters. The MIT Press.
Cita Chicago (17th ed.)
Sicart, Miguel. Play Matters. Cambridge, Massachusetts ; London, England: The MIT Press, 2014.
Cita MLA (9th ed.)
Sicart, Miguel. Play Matters. The MIT Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.