describes a book, journal article, website, or other item
gives credit to the originator of an idea
enables the reader to access the cited item.
You must cite a source that you are using if you paraphrase or summarize any of the ideas given in the work AND if you use a direct quote from the resource (word-for-word). Citations are not just for word-for-word quotations; they must be used when you mention any ideas or information from a source.