Citing the book version: All of these efforts were directed toward the goal of enhancing the clinical usefulness of DSM-5 as a guide in the diagnosis of mental disorders (American Psychiatric Association, 2013). References: American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). Arlington, VA: American Psychiatric Publishing. Citing the database version: The Diagnostic and Statistical Manual of Mental Disorders (5th ed.; DSM—5; American Psychiatric Association, 2013) is the most widely accepted nomenclature used by clinicians and researchers for the classification of mental disorders. References: American Psychiatric Association. (2013). Introduction. In Diagnostic and statistical manual of mental disorders (5th ed.). Washington, DC: Author. http://dx.doi.org/10.1176/appi.books.9780890425596.Introduction