Minnesota+Multiphasic+Personality+Inventory+%28MMPI%29
Here's your citation in American Psychological Association (APA) format:
Minnesota+Multiphasic+Personality+Inventory+%28MMPI%29. (n.d.). In Alleydog.com's online glossary. Retrieved from: https://www.alleydog.com/glossary/definition-cit.php?term=Minnesota%2BMultiphasic%2BPersonality%2BInventory%2B%2528MMPI%2529