Cite
The shape of change in psychotherapy: longitudinal assessment of personal problems
MLA
Barkham, Michael, et al. “The Shape of Change in Psychotherapy: Longitudinal Assessment of Personal Problems.” Journal of Consulting and Clinical Psychology, vol. 61, no. 4, Aug. 1993, p. 667. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsggo&AN=edsgcl.14363955&authtype=sso&custid=ns315887.
APA
Barkham, M., Stiles, W. B., & Shapiro, D. A. (1993). The shape of change in psychotherapy: longitudinal assessment of personal problems. Journal of Consulting and Clinical Psychology, 61(4), 667.
Chicago
Barkham, Michael, William B. Stiles, and David A. Shapiro. 1993. “The Shape of Change in Psychotherapy: Longitudinal Assessment of Personal Problems.” Journal of Consulting and Clinical Psychology 61 (4): 667. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsggo&AN=edsgcl.14363955&authtype=sso&custid=ns315887.