Huntingdon's Chorea (Huntington's Disease)
Here's your citation in American Psychological Association (APA) format:
Huntingdon's Chorea (Huntington's Disease). (n.d.). In Alleydog.com's online glossary. Retrieved from: https://www.alleydog.com/glossary/definition-cit.php?term=Huntingdon%27s+Chorea+%28Huntington%27s+Disease%29