APA (7th ed.) Citation

Jessup, L. M., & Valacich. (1999). Information systems foundations. QUE, E & T.

Chicago Style (17th ed.) Citation

Jessup, Leonard M., and Valacich. Information Systems Foundations. Indianapolis, IN: QUE, E & T, 1999.

MLA (8th ed.) Citation

Jessup, Leonard M., and Valacich. Information Systems Foundations. QUE, E & T, 1999.