Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Melvyn Douglas:

"

Though his father, a prominent concert pianist, taught music at a succession of colleges in the U.S. and Canada, Douglas never graduated from high school. He took the surname of his maternal grandmother and became known as Melvyn Douglas.[citation needed]