Law (or Principle) Of Positive Reinforcement
Here's your citation in American Psychological Association (APA) format:
Law (or Principle) Of Positive Reinforcement. (n.d.). In Alleydog.com's online glossary. Retrieved from: https://www.alleydog.com/glossary/definition-cit.php?term=Law+%28or+Principle%29+Of+Positive+Reinforcement