Elias, G. S., Garfield, R., & Gutschera, K. R. (2012). Characteristics of games. The MIT Press.
Chicago Style (17th ed.) CitationElias, George Skaff, Richard Garfield, and K. Robert Gutschera. Characteristics of Games. Cambridge, MA: The MIT Press, 2012.
MLA (8th ed.) CitationElias, George Skaff, et al. Characteristics of Games. The MIT Press, 2012.
Warning: These citations may not always be 100% accurate.