APA (7th ed.) Citation
Gutschmidt, T. (2004). Game programming with Python, Lua, and Ruby. Premier Press.
Chicago Style (17th ed.) Citation
Gutschmidt, Tom. Game Programming with Python, Lua, and Ruby. Boston: Premier Press, 2004.
MLA (9th ed.) Citation
Gutschmidt, Tom. Game Programming with Python, Lua, and Ruby. Premier Press, 2004.
Warning: These citations may not always be 100% accurate.