APA (7th ed.) Citation
Norton, P. (., & Jourdain, R. (1990). Peter Norton's PC: The guide for everyday user. Brady.
Chicago Style (17th ed.) Citation
Norton, Peter (, and Robert Jourdain. Peter Norton's PC: The Guide for Everyday User. New York [etc.]: Brady, 1990.
MLA (9th ed.) Citation
Norton, Peter (, and Robert Jourdain. Peter Norton's PC: The Guide for Everyday User. Brady, 1990.
Warning: These citations may not always be 100% accurate.