APA (7th ed.) Citation

American Psychological Association & Nock, M. (2009). Understanding nonsuicidal self-injury: Origins, assessment, and treatment. American Psychological Association.

Chicago Style (17th ed.) Citation

American Psychological Association and Matthew Nock. Understanding Nonsuicidal Self-injury: Origins, Assessment, and Treatment. Washington, D.C.: American Psychological Association, 2009.

MLA (8th ed.) Citation

American Psychological Association and Matthew Nock. Understanding Nonsuicidal Self-injury: Origins, Assessment, and Treatment. American Psychological Association, 2009.