APA (7th ed.) Citation

Busby, J., Parrish, Z., & Wilson, J. (2009). Mastering Unreal® Technology, Volume I (1st edition.). IBM Press.

Chicago Style (17th ed.) Citation

Busby, Jason, Zak Parrish, and Jeff Wilson. Mastering Unreal® Technology, Volume I. 1st edition. IBM Press, 2009.

MLA (9th ed.) Citation

Busby, Jason, et al. Mastering Unreal® Technology, Volume I. 1st edition. IBM Press, 2009.