Comments are placed in front of the reference, and the format is similar to that of the reference, but the number of pages should be indicated. For details, please refer to Baidu.

If you are quoting other people's papers, for example, you use a viewpoint of Hegel, but you can't find it in Hegel's monograph, but you use it in other people's papers. If you quote directly, you must write "Hegel, a paper, quoted from Li, a paper, a publishing house, a certain edition in a certain year"

You can check it.