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