Bitcointalk.org has been on the Wikipedia blacklist for a long time apparently due to altcoin related spam some years ago. We asked the wise Wikipedia mods for a single page exception which they've granted. The Satoshi quote in this page is now properly referenced:
https://en.wikipedia.org/wiki/Daniel_Larimer#Interactions_with_Satoshi_Nakamoto
Here is the approved whitelisting request:
https://en.wikipedia.org/wiki/MediaWiki_talk:Spam-whitelist#bitcointalk.org