APA (7th ed.) Citation

Valacich, J. S. ., George, J. F., & Hoffer, J. A. (2015). Essentials of systems analysis and design (6th ed.). Pearson Education Limited.

Chicago Style (17th ed.) Citation

Valacich, Joseph S. , Joey F. George, and Jeffrey A. Hoffer. Essentials of Systems Analysis and Design. 6th ed. England: Pearson Education Limited, 2015.

MLA (9th ed.) Citation

Valacich, Joseph S. , et al. Essentials of Systems Analysis and Design. 6th ed. Pearson Education Limited, 2015.