APA (7th ed.) Citation

Proffitt, B. (2002). Mac OS X power user's guide. Premier Press.

Chicago Style (17th ed.) Citation

Proffitt, Brian. Mac OS X Power User's Guide. [Florence, KY?]: Premier Press, 2002.

MLA (9th ed.) Citation

Proffitt, Brian. Mac OS X Power User's Guide. Premier Press, 2002.

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