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