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 Marguerite De La Motte:

"

De La Motte began her entertainment career studying ballet under Anna Pavlova.[4] In 1919, she became the dance star of Sid Grauman on the stage of his theater. In 1918, at the age of 16, she made her screen debut in the Douglas Fairbanks-directed romantic comedy film Arizona. In 1920, both of her parents died, her mother in January in an automobile accident[5] and her father in August from heart disease. Film producer J.L. Frothingham assumed guardianship of her[6] and her younger brother.