MLA

Keith, Clinton. Agile Game Development : Build, Play, Repeat. 2nd edition Boston (Mass.): Addison Wesley professional, 2020.

APA

Keith, C. (2020). Agile Game Development : Build, Play, Repeat. 2nd edition Boston (Mass.): Addison Wesley professional.

Chicago

Keith, Clinton, Agile Game Development: Build, Play, Repeat. 2nd edition Boston (Mass.): Addison Wesley professional, 2020.