APA (7th ed.) Citation

Keller, E. M. (2006). Unix/Linux survival guide. Charles River Media.

Chicago Style (17th ed.) Citation

Keller, Erik M. Unix/Linux Survival Guide. Hingham, Mass: Charles River Media, 2006.

MLA (9th ed.) Citation

Keller, Erik M. Unix/Linux Survival Guide. Charles River Media, 2006.