APA (7th ed.) Citation

Langdon, D. G., Whiteside, K. S., & McKenna, M. M. (1999). Intervention resource guide: 50 performance improvement tools. Jossey-Bass/Pfeiffer.

Chicago Style (17th ed.) Citation

Langdon, Danny G., Kathleen S. Whiteside, and Monica M. McKenna. Intervention Resource Guide: 50 Performance Improvement Tools. San Francisco: Jossey-Bass/Pfeiffer, 1999.

MLA (9th ed.) Citation

Langdon, Danny G., et al. Intervention Resource Guide: 50 Performance Improvement Tools. Jossey-Bass/Pfeiffer, 1999.