APA (7th ed.) Citation

O'Leary, T. J. (2004). Computing today. McGrawHill Technology Education.

Chicago Style (17th ed.) Citation

O'Leary, Timothy J. Computing Today. Boston: McGrawHill Technology Education, 2004.

MLA (9th ed.) Citation

O'Leary, Timothy J. Computing Today. McGrawHill Technology Education, 2004.