Cita APA

Hill, B. M., Helmke, M., & Burger, C. (2010). The official Ubuntu book (5th ed.). Prentice Hall.

Citación estilo Chicago

Hill, Benjamin Mako, Matthew Helmke, and Corey Burger. The Official Ubuntu Book. 5th ed. Upper Saddle River, NJ: Prentice Hall, 2010.

Cita MLA

Hill, Benjamin Mako, et al. The Official Ubuntu Book. 5th ed. Prentice Hall, 2010.