APA (7th ed.) Citation

British Association of Psychotherapists. Clinical Service, ebrary, Inc, Cooper, J., Alfillé, H., & Tonnesmann, M. (2005). Assessment in psychotherapy. Karnac Books.

Chicago Style (17th ed.) Citation

British Association of Psychotherapists. Clinical Service, Inc ebrary, Judy Cooper, Helen Alfillé, and Margret Tonnesmann. Assessment in Psychotherapy. London: Karnac Books, 2005.

MLA (9th ed.) Citation

British Association of Psychotherapists. Clinical Service, et al. Assessment in Psychotherapy. Karnac Books, 2005.