APA (7th ed.) Citation

Cox & Preppernau. (2007). Microsoft Office PowerPoint 2007 step by step. Microsoft Press.

Chicago Style (17th ed.) Citation

Cox and Preppernau. Microsoft Office PowerPoint 2007 Step by Step. Redmond, Wash: Microsoft Press, 2007.

MLA (8th ed.) Citation

Cox and Preppernau. Microsoft Office PowerPoint 2007 Step by Step. Microsoft Press, 2007.