MLA

Barton, Anthony. Three Worlds of Therapy : an Existential-phenomenological Study of the Therapies of Freud, Jung, and Rogers. Palo Alto, Calif.: National Press Books, 1974.

APA

Barton, A. (1974). Three worlds of therapy : an existential-phenomenological study of the therapies of Freud, Jung, and Rogers. Palo Alto, Calif.: National Press Books.

Chicago

Barton, Anthony, Three Worlds of Therapy: An Existential-Phenomenological Study of the Therapies of Freud, Jung, and Rogers. Palo Alto, Calif.: National Press Books, 1974.