APA (7th ed.) Citation

O'Brien, J. A.. (1985). Computers in business management: An introduction (4th ed.). Richard D. Irwin.

Chicago Style (17th ed.) Citation

O'Brien, James A. Computers in Business Management: An Introduction. 4th ed. Homewood, Ill.: Richard D. Irwin, 1985.

MLA (9th ed.) Citation

O'Brien, James A. Computers in Business Management: An Introduction. 4th ed. Richard D. Irwin, 1985.