Cita APA (7a ed.)

Denning, P., & Little, J. (2011). Practicing harm reduction psychotherapy: An alternative approach to addictions (2nd ed.). Guilford Press.

Cita Chicago Style (17a ed.)

Denning, Patt, y Jeannie Little. Practicing Harm Reduction Psychotherapy: An Alternative Approach to Addictions. 2nd ed. New York, N.Y.: Guilford Press, 2011.

Cita MLA (9a ed.)

Denning, Patt, y Jeannie Little. Practicing Harm Reduction Psychotherapy: An Alternative Approach to Addictions. 2nd ed. Guilford Press, 2011.