APA (7th ed.) Citation

Bowen, R. C. (2007). What's new in Apache Web Server 2.2? O'Reilly.

Chicago Style (17th ed.) Citation

Bowen, Richard Cooper. What's New in Apache Web Server 2.2? Sebastopol, Calif.: O'Reilly, 2007.

MLA (8th ed.) Citation

Bowen, Richard Cooper. What's New in Apache Web Server 2.2? O'Reilly, 2007.