Add citation

README.md

@@ -358,6 +358,13 @@ AI:
 </table>
 
 
+## 📖 Citation
 
-
-
+```bibtex
+@article{shen2026specvqa,
+  title={SpecVQA: A Benchmark for Spectral Understanding and Visual Question Answering in Scientific Images},
+  author={Shen, Jialu and Lyu, Han and Zhong, Suyang and Li, Hanzheng and Tao, Haoyi and Wang, Nan and Chen, Changhong and Fang, Xi},
+  journal={arXiv preprint arXiv:2604.28039},
+  year={2026}
+}
+```