APA (7th ed.) Citation

O'Leary, T. J., & O'Leary, L. I. (2011). Computing essentials 2011: Making IT work for you (Introductory ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

O'Leary, Timothy J., and Linda I. O'Leary. Computing Essentials 2011: Making IT Work for You. Introductory ed. New York: McGraw-Hill, 2011.

MLA (9th ed.) Citation

O'Leary, Timothy J., and Linda I. O'Leary. Computing Essentials 2011: Making IT Work for You. Introductory ed. McGraw-Hill, 2011.