MLA

Tanaya, Michael; Chen, Hua Ming; Pavleas, Jebediah; Sung, Kelvin, et al. Building a 2d Game Physics Engine. Apress, 2017.

APA

Tanaya, K., Chen, H., Pavleas, J., & Sung, K. (2017). Building a 2D Game Physics Engine. Apress.

Chicago

Tanaya, Michael; Chen, Hua Ming; Pavleas, Jebediah; Sung, Kelvin, Huaming Chen, Jebediah Pavleas, and Kelvin Sung. Building a 2D Game Physics Engine. : Apress, 2017.