APA (7th ed.) Citation

O'Brien, J. A. (1997). Introduction to information systems (8th ed.). Irwin/McGraw-Hill.

Chicago Style (17th ed.) Citation

O'Brien, James A. Introduction to Information Systems. 8th ed. Boston, Mass: Irwin/McGraw-Hill, 1997.

MLA (9th ed.) Citation

O'Brien, James A. Introduction to Information Systems. 8th ed. Irwin/McGraw-Hill, 1997.