APA (7th ed.) Citation
Elias, G. S., Garfield, R., & Gutschera, K. R. (2012). Characteristics of games. MIT Press.
Chicago Style (17th ed.) Citation
Elias, George Skaff, Richard Garfield, and Karl Robert Gutschera. Characteristics of Games. Cambridge, MA: MIT Press, 2012.
MLA (9th ed.) Citation
Elias, George Skaff, et al. Characteristics of Games. MIT Press, 2012.
Warning: These citations may not always be 100% accurate.