Cita APA (7th ed.)
Ascher, L. M. (1989). Therapeutic paradox. Guilford Press.
Cita Chicago (17th ed.)
Ascher, L. Michael. Therapeutic Paradox. New York: Guilford Press, 1989.
Cita MLA (9th ed.)
Ascher, L. Michael. Therapeutic Paradox. Guilford Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.