Update README.md

README.md

@@ -14,10 +14,12 @@ For more information, see: [https://github.com/neulab/knn-transformers](https://
 
 If you use this model, please cite:
 ```
-@article{alon2022neuro,
+@inproceedings{alon2022neuro,
   title={Neuro-Symbolic Language Modeling with Automaton-augmented Retrieval},
-  author={Alon, Uri and Xu, Frank F and He, Junxian and Sengupta, Sudipta and Roth, Dan and Neubig, Graham},
-  journal={arXiv preprint arXiv:2201.12431},
-  year={2022}
+  author={Alon, Uri and Xu, Frank and He, Junxian and Sengupta, Sudipta and Roth, Dan and Neubig, Graham},
+  booktitle={International Conference on Machine Learning},
+  pages={468--485},
+  year={2022},
+  organization={PMLR}
 }
 ```