APA (7th ed.) Citation
Chang, V. N., Decker, C. L., & Scott, S. T. (2009). Developing helping skills: A step-by-step approach. Brooks/Cole Cengage Learning.
Chicago Style (17th ed.) Citation
Chang, Valerie Nash, Carol L. Decker, and Sheryn Thompson Scott. Developing Helping Skills: A Step-by-step Approach. Belmont, CA: Brooks/Cole Cengage Learning, 2009.
MLA (9th ed.) Citation
Chang, Valerie Nash, et al. Developing Helping Skills: A Step-by-step Approach. Brooks/Cole Cengage Learning, 2009.
Warning: These citations may not always be 100% accurate.