APA (7th ed.) Citation

Phillips, J. J., & Phillips, P. P. (2005). ROI at work: Best-practice case studies from the real world. ASTD.

Chicago Style (17th ed.) Citation

Phillips, Jack J., and Patricia Pulliam Phillips. ROI at Work: Best-practice Case Studies from the Real World. [Place of publication not identified]: ASTD, 2005.

MLA (8th ed.) Citation

Phillips, Jack J., and Patricia Pulliam Phillips. ROI at Work: Best-practice Case Studies from the Real World. ASTD, 2005.