Answer:
The writer must use a direct quote to indicate the reader that the statement is not his, those words were told by somebody else.
Explanation:
A direct quote, according to the American Psychological Association (APA) is a quote that is taken word by word, from another source. In this case, a direct quote must me used to specify that it was taken from a different source in order to avoid plagiarism and to inform the reader where it was taken form, in case he wants to go directly to that source for information.
