APA (7th ed.) Citation

Proffitt, B. (2008). Introducing Ubuntu: Desktop Linux. Thomson/Course Technology.

Chicago Style (17th ed.) Citation

Proffitt, Brian. Introducing Ubuntu: Desktop Linux. Boston, MA: Thomson/Course Technology, 2008.

MLA (8th ed.) Citation

Proffitt, Brian. Introducing Ubuntu: Desktop Linux. Thomson/Course Technology, 2008.

Warning: These citations may not always be 100% accurate.