Update README.md

README.md

@@ -181,6 +181,22 @@ Example Output:
 Document VQA performance of different models and prompting strategies on the [BoundingDocs v2.0 dataset](https://huggingface.co/datasets/letxbe/BoundingDocs). <br>
 The best value is shown in **bold**, the second-best value is <ins>underlined</ins>.
 
+## Citation
+
+If you use `DocExplainer`, please cite:
+
+```bibtex
+@misc{chen2025reliableinterpretabledocumentquestion,
+      title={Towards Reliable and Interpretable Document Question Answering via VLMs}, 
+      author={Alessio Chen and Simone Giovannini and Andrea Gemelli and Fabio Coppini and Simone Marinai},
+      year={2025},
+      eprint={2509.10129},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2509.10129}, 
+}
+```
+
 ## Limitations
 - **Prototype only**: Intended as a first approach, not a production-ready solution.
 - **Dataset constraints**: Current evaluation is limited to cases where an answer fits in a single bounding box. Answers requiring reasoning over multiple regions or not fully captured by OCR cannot be properly