APA (7th ed.) Citation
Romero, A. V., & Johnson, D. M. (2009). Apache Roller 4.0 beginner's guide: A comprehensive, step-by-step guide on how to set up, customize, and market your blog using Apache Roller. Packt Pub..
Chicago Style (17th ed.) Citation
Romero, Alfonso V., and David M. Johnson. Apache Roller 4.0 Beginner's Guide: A Comprehensive, Step-by-step Guide on How to Set Up, Customize, and Market Your Blog Using Apache Roller. Birmingham, U.K.: Packt Pub., 2009.
MLA (9th ed.) Citation
Romero, Alfonso V., and David M. Johnson. Apache Roller 4.0 Beginner's Guide: A Comprehensive, Step-by-step Guide on How to Set Up, Customize, and Market Your Blog Using Apache Roller. Packt Pub., 2009.
Warning: These citations may not always be 100% accurate.