Richter, P., Saß, H., & Sauer, H. (1990). On the validity of the German version of the comprehensive psychopathological rating scale. European archives of psychiatry and clinical neuroscience, 240(1), . https://doi.org/10.1007/BF02190093
Chicago Style (17th ed.) CitationRichter, Paul, Henning Saß, and Heinrich Sauer. "On the Validity of the German Version of the Comprehensive Psychopathological Rating Scale." European Archives of Psychiatry and Clinical Neuroscience 240, no. 1 (1990). https://doi.org/10.1007/BF02190093.
MLA (9th ed.) CitationRichter, Paul, et al. "On the Validity of the German Version of the Comprehensive Psychopathological Rating Scale." European Archives of Psychiatry and Clinical Neuroscience, vol. 240, no. 1, 1990, https://doi.org/10.1007/BF02190093.