See actual Infographics used on a government website. Click here
In your list* at the end of your assignment, research paper or thesis you will have to give the link to any Internet sources that you have used. In the past the "URL" was sufficient. Please note that there is a trend toward using a more stable link. This is the "DOI."
It is easy to find the URL, simply copy and paste. It can be difficult to find the DOI.
URL -- uniform resource locator
DOI -- digital object identifier
* This list goes by several names, depending on the "style" you are using e.g.