APA (7th ed.) Citation

O'Leary, T. J., & O'Leary, L. I. (1997). Computing essentials (1997-1998 ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

O'Leary, Timothy J., and Linda I. O'Leary. Computing Essentials. 1997-1998 ed. New York: McGraw-Hill, 1997.

MLA (9th ed.) Citation

O'Leary, Timothy J., and Linda I. O'Leary. Computing Essentials. 1997-1998 ed. McGraw-Hill, 1997.