Richards, P. S., & Bergin, A. E. (1997). A spiritual strategy for counseling and psychotherapy. American Psychological Association.
Citazione stile Chigago Style (17a edizione)Richards, P. Scott, e Allen E. Bergin. A Spiritual Strategy for Counseling and Psychotherapy. Washington, DC: American Psychological Association, 1997.
Citatione MLA (9a ed.)Richards, P. Scott, e Allen E. Bergin. A Spiritual Strategy for Counseling and Psychotherapy. American Psychological Association, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.