Once you are ready to produce your Research Paper or Presentation, you will need to make sure that you give credit to all of the resources you use.
This means that you have to say where you got the information that was used in your paper. This is called a citation. A citation usually includes information such as the author's name, title of the book, or article and journal, publisher, date, and more.
This information allows the instructor to know where you found your research. For this assignment your instructor has indicated the us of American Psychological Association MLA Style 9th Edition.