Office of Superintendent of Public Instruction - July 2008
National Constitution Center. "The First Amendment Overiew Part I". YouTube, uploaded by the National Constitution Center, October 15, 2019, https://youtu.be/pAxSYbHvuPw.
When citing the Constitution, you may follow this simple example:
United States Constitution. Art./Amend. XII, Sec. 3.
You need only provide either the article number or the amendment number as appropriate.