You must cite a source in all of the following situations:
There are two steps involved in citing your sources correctly:
You only need to include each source in the reference list once. But you must include an in-text citation every time you use a quote, idea, opinion, or fact from a source, even if you are paraphrasing or summarizing the source in your own words.
Example of a paper using APA citations. Access this example as a Word document (Links to an external site.).