APA (7th ed.) Citation

Preppernau, J., & Cox, J. (2010). Windows 7 step by step (1st edition.). Microsoft Press.

Chicago Style (17th ed.) Citation

Preppernau, Joan, and Joyce Cox. Windows 7 Step by Step. 1st edition. Redmond, Wash.: Microsoft Press, 2010.

MLA (9th ed.) Citation

Preppernau, Joan, and Joyce Cox. Windows 7 Step by Step. 1st edition. Microsoft Press, 2010.