Manual+Dominance+%28Handedness%29
Here's your citation in American Psychological Association (APA) format:
Manual+Dominance+%28Handedness%29. (n.d.). In Alleydog.com's online glossary. Retrieved from: https://www.alleydog.com/glossary/definition-cit.php?term=Manual%2BDominance%2B%2528Handedness%2529