APA (7th ed.) Citation

O'Brien, J. A., & O'Brien, J. A. (1991). Introduction to information systems in business management (6th ed.). Irwin.

Chicago Style (17th ed.) Citation

O'Brien, James A., and James A. O'Brien. Introduction to Information Systems in Business Management. 6th ed. Homewood, Ill: Irwin, 1991.

MLA (9th ed.) Citation

O'Brien, James A., and James A. O'Brien. Introduction to Information Systems in Business Management. 6th ed. Irwin, 1991.