add citation

README.md

@@ -51,4 +51,12 @@ English
 ## License
 Datasets are released under the MIT license.
 
-## Citation
+## Citation
+If you use these datasets, please cite:
+```bibtex
+@article{koshorek2025structured,
+  title={Structured RAG for Answering Aggregative Questions},
+  author={Koshorek, Omri and Granot, Niv and Alloni, Aviv and Admati, Shahar and Hendel, Roee and Weiss, Ido and Arazi, Alan and Cohen, Shay-Nitzan and Belinkov, Yonatan},
+  journal={arXiv preprint arXiv:2511.08505},
+  year={2025}
+}