Cita APA (7a ed.)
Walz, S. P., & Deterding, S. (2014). The gameful world: Approaches, issues, applications. The MIT Press.
Cita Chicago Style (17a ed.)
Walz, Steffen P., y Sebastian Deterding. The Gameful World: Approaches, Issues, Applications. Cambridge, Massachusetts ; London, England: The MIT Press, 2014.
Cita MLA (9a ed.)
Walz, Steffen P., y Sebastian Deterding. The Gameful World: Approaches, Issues, Applications. The MIT Press, 2014.
Precaución: Estas citas no son 100% exactas.