First of all, you need to select the paragraph to which you want to add a reference, add a footnote to the part that needs to be commented, and click the menu bar of the document to insert-quote-footnote and endnote. After adding, the mouse will automatically jump to the footer. At this time, you can see that both the body and the footer have a serial number of "1". You can add other footnotes in this way.
Marking of identifying references in the duplicate checking system of China Knowledge Network;
1, there is an obvious word "quote", and these four words should occupy one line.
2. Each reference has a clear label.
3. Tags can be automatically generated by word or written by yourself.
4. Don't add punctuation in the label. Don't break the line manually until the reference is completed.