The Great Depression happened in the 1920's and 1930's due to many economic disasters such as the Market Crash in 1929 and bad mistakes by the President (Hoover)
<span>"3.The author's last name and page number(s) from the source must appear within the text of the paper" is correct. If the author is mentioned in the text, only the page number needs to be listed after. If not, then the author's last name and page number need to be listed. </span>