McCormick, PhD, CTRS, FDRT, FALS, Bryan P., and David R. Austin, PhD, FDRT, FALS. “Behavioral Activation and Recreational Therapy”. American Journal of Recreation Therapy 17, no. 4 (October 1, 2018): 11–18. Accessed April 12, 2025. https://wmpllc.org/ojs/index.php/ajrt/article/view/2350.