APA (7th ed.) Citation

Coar, K. A. L., & Fielding, R. T. (1998). Apache server for dummies. IDG Books Worldwide.

Chicago Style (17th ed.) Citation

Coar, Ken A. L., and Roy T. Fielding. Apache Server for Dummies. Foster City, Calif: IDG Books Worldwide, 1998.

MLA (9th ed.) Citation

Coar, Ken A. L., and Roy T. Fielding. Apache Server for Dummies. IDG Books Worldwide, 1998.