Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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