Update README.md

README.md

@@ -1,4 +1,18 @@
 ---
 license: apache-2.0
 ---
-arxiv.org/abs/2601.16973
+## Citation
+
+If you use this model, please cite:
+
+```bibtex
+@misc{wang2026visgymdiversecustomizablescalable,
+      title={VisGym: Diverse, Customizable, Scalable Environments for Multimodal Agents}, 
+      author={Zirui Wang and Junyi Zhang and Jiaxin Ge and Long Lian and Letian Fu and Lisa Dunlap and Ken Goldberg and XuDong Wang and Ion Stoica and David M. Chan and Sewon Min and Joseph E. Gonzalez},
+      year={2026},
+      eprint={2601.16973},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2601.16973}, 
+}
+```