APA (7th ed.) Citation

Perry, W. E. (1991). Quality assurance for information systems: Methods, tools, and techniques. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Perry, William E. Quality Assurance for Information Systems: Methods, Tools, and Techniques. New York: John Wiley & Sons, 1991.

MLA (8th ed.) Citation

Perry, William E. Quality Assurance for Information Systems: Methods, Tools, and Techniques. John Wiley & Sons, 1991.