APA (7th ed.) Citation

Ritchie, B., Marshall, D., & Eardley, A. (1998). Information systems in business (New edition.). International Thomson Business Press.

Chicago Style (17th ed.) Citation

Ritchie, Bob, David Marshall, and Alan Eardley. Information Systems in Business. New edition. London: International Thomson Business Press, 1998.

MLA (8th ed.) Citation

Ritchie, Bob, et al. Information Systems in Business. New edition. International Thomson Business Press, 1998.