APA (7th ed.) Citation

Haag, S., & Cummings, M. (2006). Information Systems Essentials. McGraw Hill.

Chicago Style (17th ed.) Citation

Haag, Stephen, and Maeve Cummings. Information Systems Essentials. Boston: McGraw Hill, 2006.

MLA (9th ed.) Citation

Haag, Stephen, and Maeve Cummings. Information Systems Essentials. McGraw Hill, 2006.