Rules of play : game design fundamentals

MLA

Salen, Katie, and Eric Zimmerman. Rules of Play : Game Design Fundamentals. Cambridge: MIT, 2004.

APA

Salen, K., & Zimmerman, E. (2004). Rules of play : game design fundamentals. Cambridge: MIT.

Chicago

Salen, Katie, and Eric Zimmerman. Rules of Play: Game Design Fundamentals. Cambridge: MIT, 2004.