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 Croydon Airport:

"

The church on the Roundshaw estate has a cross on its outside wall that was made from the cut down propeller of a Spitfire based at Croydon during the Second World War.[citation needed]