APA (7th ed.) Citation

Valacich, J. S., George, J. F., & Hoffer, J. A. (2015). Essentials of systems analysis and design. Pearson.

Chicago Style (17th ed.) Citation

Valacich, Joseph S., Joey F. George, and Jeffrey A. Hoffer. Essentials of Systems Analysis and Design. Pearson, 2015.

MLA (8th ed.) Citation

Valacich, Joseph S., et al. Essentials of Systems Analysis and Design. Pearson, 2015.