History of psychotherapy : a century of change

MLA

Freedheim, Donald K, and Freudenberger Herbert J. History of Psychotherapy : a Century of Change. Washington, D.C.: American Psychological Association, 1992.

APA

Freedheim, D. K, & Freudenberger Herbert J., F. Herbert J. (1992). History of psychotherapy : a century of change. Washington, D.C.: American Psychological Association.

Chicago

Freedheim, Donald K. ed., and Freudenberger Herbert J. ed. History of Psychotherapy: A Century of Change. Washington, D.C.: American Psychological Association, 1992.