APA (7th ed.) Citation

Warboys, B., Kawalek, P., & Robertson, I. (1999). Business information system: A process approach. McGraw - Hill.

Chicago Style (17th ed.) Citation

Warboys, Brian, Peter Kawalek, and Ian Robertson. Business Information System: A Process Approach. London: McGraw - Hill, 1999.

MLA (8th ed.) Citation

Warboys, Brian, et al. Business Information System: A Process Approach. McGraw - Hill, 1999.