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 Denis Diderot:

"

On 20 August, Diderot was lodged in a comfortable room in the Vincennes, allowed to meet visitors, and to walk in the gardens of the Vincennes. On 23 August, Diderot signed another letter promising to never leave the Vincennes without permission.[3] On 3 November 1749, Diderot was released from the Vincennes.[4] Subsequently, in 1750, he released the prospectus for the Encyclopédie.[5]