APA (7th ed.) Citation

Kling, J. (2011). CompTIA A+ certification, Volume 1: Comprehensive, 2009 edition (2009 ed., rev.). Axzo Press.

Chicago Style (17th ed.) Citation

Kling, Judi. CompTIA A+ Certification, Volume 1: Comprehensive, 2009 Edition. 2009 ed., rev. [Fairport, NY]: Axzo Press, 2011.

MLA (9th ed.) Citation

Kling, Judi. CompTIA A+ Certification, Volume 1: Comprehensive, 2009 Edition. 2009 ed., rev. Axzo Press, 2011.