APA (7th ed.) Citation

O'Brien, J. A., & Marakas, G. M. (2007). Introduction to information systems (13th ed.). McGraw-Hill/Irwin.

Chicago Style (17th ed.) Citation

O'Brien, James A., and George M. Marakas. Introduction to Information Systems. 13th ed. Boston: McGraw-Hill/Irwin, 2007.

MLA (9th ed.) Citation

O'Brien, James A., and George M. Marakas. Introduction to Information Systems. 13th ed. McGraw-Hill/Irwin, 2007.