If you are going to use Wikipedia: Remember to be a fact-checker.
If you are searching for information on any open website, you need to become an expert fact-checker.
Remember anyone can put anything on the internet!
It is your responsibility not to put misinformation into your own work.
Here is a good place to start.
Image Source: IFLA [CC BY 4.0 (https://creativecommons.org/licenses/by/4.0)], via Wikimedia Commons