Cita APA (7a ed.)

Sobell, M. G. (2008). A practical guide to Ubuntu Linux (1st edition.). Prentice Hall.

Cita Chicago Style (17a ed.)

Sobell, Mark G. A Practical Guide to Ubuntu Linux. 1st edition. Upper Saddle River, N.J.: Prentice Hall, 2008.

Cita MLA (9a ed.)

Sobell, Mark G. A Practical Guide to Ubuntu Linux. 1st edition. Prentice Hall, 2008.