Update README.md

README.md

@@ -198,3 +198,15 @@ for i, (c, t) in enumerate(zip(chunks, token_pos)):
     print(f"-----chunk: {i}----token_idx: {t}--------")
     print(c)
 ```
+## Citation
+
+If this work is helpful, please kindly cite as:
+
+```bibtex
+@article{bert-chunker,
+  title={bert-chunker: Efficient and Trained Chunking for Unstructured Documents}, 
+  author={Yannan Luo},
+  year={2024},
+  url={https://github.com/jackfsuia/bert-chunker}
+}
+```