Content on Dune is community create and should be attributed accordingly!
Content on Dune is first and foremost the product of the creators on the platform. Any source/credit you want to belongs first and foremost to them. Crediting charts and dashboards should be done in the following way:
"@eliasmos via @duneanalytics" with a link back to the query or dashboard
You can find the twitter tags and more information of most creators in their profile page.