APA (7th ed.) Citation

Combs, A. W. (1989). A theory of therapy: Guidelines for counseling practice. SAGE Publications.

Chicago Style (17th ed.) Citation

Combs, Arthur W. A Theory of Therapy: Guidelines for Counseling Practice. Newbury Park, Calif.: SAGE Publications, 1989.

MLA (9th ed.) Citation

Combs, Arthur W. A Theory of Therapy: Guidelines for Counseling Practice. SAGE Publications, 1989.