Operating equipment: Lenovo notebook G40-30.

Device system: Microsoft Windows 7 Ultimate Edition.

Operating software: Microsoft OfficeWord 20 10.

1. First, open the document to be referenced. Here, references must be written in the specified format.

2. Next, after the references are entered into the text, they need to be numbered uniformly. Click the Start menu, and then select the number of brackets in the numbering library.

3. Next, you can quote the literature. Click the Reference menu in the menu bar, and then click Cross Reference.

4. Then the cross-reference window will pop up. Place the cursor at the place to be cited, select the default numbering item and paragraph number of citation type and content, select the literature to be cited, and click "Insert".

5. After the first citation, you don't need to close the "Cross-Reference" window, continue to select the documents that need to be cited for the second time, and click "Insert" again. It doesn't matter if the number is repeated.