APA (7th ed.) Citation

Sanglard, F. (2018). Game engine black book Doom V1.1. [publisher not identified].

Chicago Style (17th ed.) Citation

Sanglard, Fabien. Game Engine Black Book Doom V1.1. [Place of publication not identified]: [publisher not identified], 2018.

MLA (9th ed.) Citation

Sanglard, Fabien. Game Engine Black Book Doom V1.1. [publisher not identified], 2018.

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