APA (7th ed.) Citation

Halpern, J. (2019). Developing 2D games with Unity: Independent game programming with C#. Apress.

Chicago Style (17th ed.) Citation

Halpern, Jared. Developing 2D Games with Unity: Independent Game Programming with C#. [New York, New York]: Apress, 2019.

MLA (8th ed.) Citation

Halpern, Jared. Developing 2D Games with Unity: Independent Game Programming with C#. Apress, 2019.

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