APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Higgins, Stephen T., et al. Contingency Management in Substance Abuse Treatment. Guilford Press, 2008.