MLA

Watt, Alan H., and Fabio Policarpo. 3d Games : Real-time Rendering and Software Technology. New York (N.Y.): ACM press, 2001.

APA

Watt, A. H., & Policarpo, F. (2001). 3D games : real-time rendering and software technology. New York (N.Y.): ACM press.

Chicago

Watt, Alan H., and Fabio Policarpo. 3D Games: Real-Time Rendering and Software Technology. New York (N.Y.): ACM press, 2001.