APA (7th ed.) Citation

O'Leary, T. J., O'Leary, L. I., & Williams, B. K. (1989). McGraw-Hill computing essentials. McGraw-Hill.

Chicago Style (17th ed.) Citation

O'Leary, Timothy J., Linda I. O'Leary, and Brian K. Williams. McGraw-Hill Computing Essentials. New York: McGraw-Hill, 1989.

MLA (9th ed.) Citation

O'Leary, Timothy J., et al. McGraw-Hill Computing Essentials. McGraw-Hill, 1989.