First, use word to open the paper to be edited, here use word20 13 to open the editing, and then move the mouse to the end of the quoted data and click. Click on references to insert footnotes, or click on insert endnotes, footnotes will be inserted automatically, footnotes will be numbered automatically according to articles, and a number will be inserted at the end. It is best to insert footnotes in brackets. Click the arrow icon in the lower right corner of the footnote box to customize the label input, and then click Insert. It will be much more convenient to convert footnotes into inserted documents in the future.
Double-click the footnote number directly and it will automatically move to the end of the footnote. At this time, you can directly enter the source of the reference data at the back.