Update README.md

README.md

@@ -254,10 +254,12 @@ The code in this project is open-sourced under the [Apache-2.0](LICENSE) license
 
 If you are using the resource for your work, please cite our paper.
 
+```
 @article{YAYI 2,
-  author ={Yin Luo, Qingchao Kong, Nan Xu, et.al.}},
-  title={YAYI 2: Multilingual Open Source Large Language Models},
-  journal={arXiv preprint arXiv}
-  year={2023}
-  }
+  author    = {Yin Luo, Qingchao Kong, Nan Xu, et.al.}},
+  title     = {YAYI 2: Multilingual Open Source Large Language Models},
+  journal   = {arXiv preprint arXiv},
+  year      = {2023}
+}
+```