APA (7th ed.) Citation

Conference on Research in Psychotherapy Washington, D.C., American Psychological Association, Rubinstein, E. A., & Parloff, M. B. (1959). Research in psychotherapy: Proceedings. [American Psychological Association].

Chicago Style (17th ed.) Citation

Conference on Research in Psychotherapy Washington, D.C., American Psychological Association, Eli A. Rubinstein, and Morris B. Parloff. Research in Psychotherapy: Proceedings. [Washington, D.C.]: [American Psychological Association], 1959.

MLA (9th ed.) Citation

Conference on Research in Psychotherapy Washington, D.C., et al. Research in Psychotherapy: Proceedings. [American Psychological Association], 1959.