APA (7th ed.) Citation

Speake, G., Barber, B., Happel, C., & Lillard, T. (2009). Eleventh Hour Linux+ (1st edition.). Syngress.

Chicago Style (17th ed.) Citation

Speake, Graham, Brian Barber, Chris Happel, and Terrence Lillard. Eleventh Hour Linux+. 1st edition. Syngress, 2009.

MLA (9th ed.) Citation

Speake, Graham, et al. Eleventh Hour Linux+. 1st edition. Syngress, 2009.