APA (7th ed.) Citation

Safari Tech Books Online & Gralla, P. A. (2003). Windows XP hacks. O'Reilly.

Chicago Style (17th ed.) Citation

Safari Tech Books Online and Preston Author Gralla. Windows XP Hacks. [Place of publication not identified]: O'Reilly, 2003.

MLA (9th ed.) Citation

Safari Tech Books Online and Preston Author Gralla. Windows XP Hacks. O'Reilly, 2003.