Thomas, William J., Alexander O. Hauson, Jessica E. Lambert, Mark J. Stern, Julia M. Gamboa, Kenneth E. Allen, Rick A. Stephan, Christine L. Kimmel, Scott C. Wollman, Matthew G. Hall, Benjamin L. Towns, Celina Sari, Bijan Sharghi, and Heather Newton. “A Meta-Analysis of the Effectiveness of Cognitive-Behavioural Therapies for Late-Life Depression”. Canadian Journal of Counselling and Psychotherapy 52, no. 1 (January 10, 2018). Accessed April 20, 2024. https://cjc-rcc.ucalgary.ca/article/view/61167.