APA (7th ed.) Citation

Hekman, J. P. (1997). Linux in a nutshell: A desktop quick reference. O'Reilly.

Chicago Style (17th ed.) Citation

Hekman, Jessica Perry. Linux in a Nutshell: A Desktop Quick Reference. Cambridge: O'Reilly, 1997.

MLA (8th ed.) Citation

Hekman, Jessica Perry. Linux in a Nutshell: A Desktop Quick Reference. O'Reilly, 1997.