APA (7th ed.) Citation

Preppernau, J., Cox, J., & Online Training Solutions. (2010). Windows 7 step by stepages (Eastern economy edition.). Karim International (021836).

Chicago Style (17th ed.) Citation

Preppernau, Joan, Joyce Cox, and Online Training Solutions. Windows 7 Step by Stepages. Eastern economy edition. New Delhi: Karim International (021836), 2010.

MLA (9th ed.) Citation

Preppernau, Joan, et al. Windows 7 Step by Stepages. Eastern economy edition. Karim International (021836), 2010.