Common knowledge is information that you can find in multiple sources, generally stated in the same way. For example:
You do not have to know this information, or expect others to know it off the tops of their heads.The information (whether you know it or not) is common because it's not unique to one source.
When it's common knowledge, you don't have to cite it. However, if you have any doubts, err on the side of caution and CITE!
For information that isn't common knowledge, you should provide an attribution. It's important to acknowledge the specific source where this information comes from - it's ethical and it can often strengthen your claims. Examples of specific knowledge that you may be likely to cite for this project include:
For this assignment, please indicate your data sources with a URL. You can hyperlink the name of the organization/site/author to the web address for a cleaner look. Example:
Information Sources by Amanda Starkel. CC BY
Data source: Pew Research Reader Survey
You could also use a link shortener tool to help make the link much shorter and easier to display on your infographic. Some examples are listed below: