MLA

Harper, David, and Andrew R Thompson. Qualitative Research Methods In Mental Health and Psychotherapy : a Guide for Students and Practitioners. Chichester, West Sussex: John Wiley & Sons, 2012.

APA

Harper, D., & Thompson, A. R. (2012). Qualitative research methods in mental health and psychotherapy : a guide for students and practitioners. Chichester, West Sussex: John Wiley & Sons.

Chicago

Harper, David, and Andrew R Thompson. Qualitative Research Methods In Mental Health and Psychotherapy: A Guide for Students and Practitioners. Chichester, West Sussex: John Wiley & Sons, 2012.