Cita APA (7a ed.)

Barrett, D. J. (2004). Linux pocket guide. O'Reilly.

Cita Chicago Style (17a ed.)

Barrett, Daniel J. Linux Pocket Guide. Beijing ; Sebastopol, Calif.: O'Reilly, 2004.

Cita MLA (8a ed.)

Barrett, Daniel J. Linux Pocket Guide. O'Reilly, 2004.