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