Cita APA (7a ed.)

Harry, M. J. S. (1997). Information systems in business (2nd ed.). Pitman.

Cita Chicago Style (17a ed.)

Harry, M. J. S. Information Systems in Business. 2nd ed. London [etc.]: Pitman, 1997.

Cita MLA (9a ed.)

Harry, M. J. S. Information Systems in Business. 2nd ed. Pitman, 1997.