add citation

README.md

@@ -14,4 +14,20 @@ tags:
 pretty_name: DocSplit Benchmark
 size_categories:
 - 1M<n<10M
----
+---
+
+## How to cite this dataset
+
+```bibtex
+@misc{docsplit,
+  author = {Islam, Md Mofijul and Salekin, Md Sirajus and Balakrishnan, Nivedha and Bishop, Vincil C. and Jain, Niharika and Romo, Spencer and Strahan, Bob and Xie, Boyi and Socolinsky, Diego A. },
+  title = {DocSplit: A Comprehensive Benchmark Dataset and Evaluation Approach
+for Document Packet Recognition and Splitting},
+  howpublished = {\url{https://huggingface.co/datasets/amazon/doc_split/}},
+  url = {https://huggingface.co/datasets/amazon/doc_split/},
+  type = {dataset},
+  year = {2026},
+  month = {February},
+  timestamp = {2024-02-04},
+  note = {Accessed: 2026-02-04}
+}