Method 1: Use pen container to export references, only Chinese references. For English reference, see Method 2. First, enter the pen container, enter the title of the cited reference and click Search: check the document you are looking for in the search results and click Export/Reference; Tick again on the page that appears, and click Export/Reference; On the document output page, you can directly select reference, right-click copy or click above. This method can also export multiple reference formats simultaneously. After searching for a document, click Export to continue searching for other documents, then click Export, and finally export the references together in the Document Output page. Method 2: Use Google Academic Search Engine to paste the title of the paper into the click search: in the result page, click the "citation" position, and several reference formats will appear. Select the copy you want and paste it. It should be noted that the exported quotation format may not fully meet your writing requirements. At this time, it is best to make appropriate modifications according to the requirements of standard reference format.