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