APA (7th ed.) Citation

Safari Tech Books Online, Liberty, J. A., & Hurwitz, D. C. (2002). Programming ASP.NET. O'Reilly.

Chicago Style (17th ed.) Citation

Safari Tech Books Online, Jesse Author Liberty, and Dan Contributor Hurwitz. Programming ASP.NET. [Place of publication not identified]: O'Reilly, 2002.

MLA (9th ed.) Citation

Safari Tech Books Online, et al. Programming ASP.NET. O'Reilly, 2002.