APA (7th ed.) Citation

O'Leary. (1999). Computing essentials 1999-2000 (Brief ed.). Irwin McGraw-Hill.

Chicago Style (17th ed.) Citation

O'Leary. Computing Essentials 1999-2000. Brief ed. Boston: Irwin McGraw-Hill, 1999.

MLA (8th ed.) Citation

O'Leary. Computing Essentials 1999-2000. Brief ed. Irwin McGraw-Hill, 1999.