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