Update citation

README.md

@@ -70,7 +70,7 @@ If you find our work useful, please use the following citation:
 ```bibtex
 @article{zheng2024memo,
   title={MEMO: Memory-Guided Diffusion for Expressive Talking Video Generation},
-  author={Longtao Zheng and Yifan Zhang and Hanzhong Guo and Jiachun Pan and Zhenxiong Tan and Jiahao Lu and Chuanxin Tang and Bo An and Shuicheng Yan},
+  author={Zheng, Longtao and Zhang, Yifan and Guo, Hanzhong and Pan, Jiachun and Tan, Zhenxiong and Lu, Jiahao and Tang, Chuanxin and An, Bo and Yan, Shuicheng},
   journal={arXiv preprint arXiv:2412.04448},
   year={2024}
 }