APA (7th ed.) Citation

Helmke, M., Graner, A., Rankin, K., Hill, B. M., & Bacon, J. (2012). The official Ubuntu book (7th ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Helmke, Matthew, Amber Graner, Kyle Rankin, Benjamin Mako Hill, and Jono Bacon. The Official Ubuntu Book. 7th ed. Upper Saddle River, NJ: Prentice Hall, 2012.

MLA (8th ed.) Citation

Helmke, Matthew, et al. The Official Ubuntu Book. 7th ed. Prentice Hall, 2012.