Student: Hmm, what if I am using information that everyone already knows, like for example, Tokyo is the capital of Japan?
Tutor: You don’t need a citation in that case. Information that many people know or that appears in many sources is called common knowledge.
Student: OK, I get it. So if I do need a citation, exactly how do I include it in my paper?
Tutor: Well first, let’s look at some examples of citations.