APA (7th ed.) Citation

Hall, J., & Sery, P. G. (2001). Red Hat Linux 7 for dummies. IDG Books Worldwide.

Chicago Style (17th ed.) Citation

Hall, Jon, and Paul G. Sery. Red Hat Linux 7 for Dummies. Foster City, California: IDG Books Worldwide, 2001.

MLA (8th ed.) Citation

Hall, Jon, and Paul G. Sery. Red Hat Linux 7 for Dummies. IDG Books Worldwide, 2001.