1. For original works, it is necessary to obtain the permission and authorization of the copyright owner of the original works. Involving the use of the corresponding content of other publications, except for objective facts (copyright only protects the expression of objective facts, not the objective facts themselves), it must meet the requirements of "fair use" or "legal permission", and indicate the source of the literature; Where pictures are involved, the permission of the copyright owner must be obtained.

2. Copyright Law: Article 22 Under any of the following circumstances, a work may be used without permission and without payment to the copyright owner, provided that the name of the author and the title of the work shall be clearly stated, and other rights enjoyed by the copyright owner in accordance with this Law shall not be infringed:

(2) appropriately quoting published works of others in works for the purpose of introducing and commenting on works or explaining problems;

3. At present, the quotation involved by the questioner should not only indicate the author and the source of the literature, but also meet the requirements of the law.