APA (7th ed.) Citation

O'Leary, T. J., & O'Leary. (2007). Computing essentials 2008. McGraw-Hill/Irwin.

Chicago Style (17th ed.) Citation

O'Leary, Timothy J., and O'Leary. Computing Essentials 2008. New York: McGraw-Hill/Irwin, 2007.

MLA (8th ed.) Citation

O'Leary, Timothy J., and O'Leary. Computing Essentials 2008. McGraw-Hill/Irwin, 2007.