APA (7th ed.) Citation

O'Brien, J. A. (1995). Introduction to information systems: An end user/enterprise perspective (Alternate ed.). Irwin.

Chicago Style (17th ed.) Citation

O'Brien, James A. Introduction to Information Systems: An End User/enterprise Perspective. Alternate ed. Chicago: Irwin, 1995.

MLA (9th ed.) Citation

O'Brien, James A. Introduction to Information Systems: An End User/enterprise Perspective. Alternate ed. Irwin, 1995.