Cita APA

Higgins, S. T., Heil, S. H., & Silverman, K. (2008). Contingency management in substance abuse treatment. New York: Guilford Press.

Citación estilo Chicago

Higgins, Stephen T., Sarah H. Heil, and Kenneth Silverman. Contingency Management in Substance Abuse Treatment. New York: Guilford Press, 2008.

Cita MLA

Higgins, Stephen T., Sarah H. Heil, and Kenneth Silverman. Contingency Management in Substance Abuse Treatment. New York: Guilford Press, 2008.