Minnesota Multiphasic Personality Inventory (MMPI)
Here's your citation in American Psychological Association (APA) format:
Minnesota Multiphasic Personality Inventory (MMPI). (n.d.). In Alleydog.com's online glossary. Retrieved from: https://www.alleydog.com/glossary/definition-cit.php?term=Minnesota+Multiphasic+Personality+Inventory+%28MMPI%29