Update README.md

README.md

@@ -9,15 +9,11 @@ If you are interested in Co-Reward, you can find more details on our Github Repo
 
 ## Citation
 
-
+```
 @article{zhang2025coreward,
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       title={Co-Reward: Self-supervised Reinforcement Learning for Large Language Model Reasoning via Contrastive Agreement}, 
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       author={Zizhuo Zhang and Jianing Zhu and Xinmu Ge and Zihua Zhao and Zhanke Zhou and Xuan Li and Xiao Feng and Jiangchao Yao and Bo Han},
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       journal={arXiv preprint arXiv:2508.00410}
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       year={2025},
-
-}
+}
+```