Update README.md

README.md

@@ -140,6 +140,7 @@ The model was trained and can be run using Python (>=3.10), PyTorch, and LLaMA-F
 
 **BibTeX:**
 
+```bibtex
 @article{wang2025perovskite,
   title={Perovskite-R1: A Domain-Specialized LLM for Intelligent Discovery of Precursor Additives and Experimental Design},
   author={Wang, Xin-De and Chen, Zhi-Rui and Guo, Peng-Jie and Gao, Ze-Feng and Mu, Cheng and Lu, Zhong-Yi},