A: In writing papers, in order to strengthen the power of argumentation, some typical, concise and valuable documents are often quoted. Several commonly used methods of citation include general citation, that is, not using the words in the original materials completely, but using the answers. In paper writing, in order to enhance the power of argumentation, some typical, concise and valuable literature materials are often cited. Several commonly used data citation methods include: general citation: that is, the main meaning of the original text is generally reported in the author's own language, rather than the words in the raw materials; The complete quotation is a record of the original text, and other contents cannot be deleted or added at will. You should put quotation marks around it, or you can divide it into several paragraphs and print it in different fonts. Analysis and citation is the most commonly used method in the paper, which is to break up, break up or reorganize the original content according to the author's exposition needs, and mix it into the author's exposition and analysis text or analyze it while quoting.