PERMA (Positive Emotions, Engagement, Relationships, Meaning, Accomplishments)
Here's your citation in American Psychological Association (APA) format:
PERMA (Positive Emotions, Engagement, Relationships, Meaning, Accomplishments). (n.d.). In Alleydog.com's online glossary. Retrieved from: https://www.alleydog.com/glossary/definition-cit.php?term=PERMA+%28Positive+Emotions%2C+Engagement%2C+Relationships%2C+Meaning%2C+Accomplishments%29