APA (7th ed.) Citation

Groot, C. d. (2019). Game development with PyGame: Write your own games, simulations and demonstrations with Python. Apress.

Chicago Style (17th ed.) Citation

Groot, Coen de. Game Development with PyGame: Write Your Own Games, Simulations and Demonstrations with Python. [Place of publication not identified]: Apress, 2019.

MLA (8th ed.) Citation

Groot, Coen de. Game Development with PyGame: Write Your Own Games, Simulations and Demonstrations with Python. Apress, 2019.

Warning: These citations may not always be 100% accurate.