APA (7th ed.) Citation

Lengyel, E. (2011). Game engine gems 2. A K Peters.

Chicago Style (17th ed.) Citation

Lengyel, Eric. Game Engine Gems 2. Natick, Mass: A K Peters, 2011.

MLA (9th ed.) Citation

Lengyel, Eric. Game Engine Gems 2. A K Peters, 2011.