APA (7th ed.) Citation

Schwartz, R. C., & Sweezy, M. (2020). Internal family systems therapy (Second edition.). The Guilford Press.

Chicago Style (17th ed.) Citation

Schwartz, Richard C., and Martha Sweezy. Internal Family Systems Therapy. Second edition. New York: The Guilford Press, 2020.

MLA (9th ed.) Citation

Schwartz, Richard C., and Martha Sweezy. Internal Family Systems Therapy. Second edition. The Guilford Press, 2020.