APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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