Update README.md

README.md

@@ -7,4 +7,16 @@ sdk: static
 pinned: false
 ---
 
-Edit this `README.md` markdown file to author your organization card.
+If you use **pdfQA**, please cite:
+
+```
+@misc{schimanski2026pdfqa,
+      title={pdfQA: Diverse, Challenging, and Realistic Question Answering over PDFs}, 
+      author={Tobias Schimanski and Imene Kolli and Yu Fan and Ario Saeid Vaghefi and Jingwei Ni and Elliott Ash and Markus Leippold},
+      year={2026},
+      eprint={2601.02285},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2601.02285}, 
+}
+```