Update README.md

README.md

@@ -68,4 +68,16 @@ for i, c in enumerate(chunks):
     print(f'-----chunk: {i}------------')
     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}
+}
 ```