Update README.md

README.md

@@ -117,6 +117,19 @@ This release is part of WangchanX, a Large Language Model (LLM) research and dev
 
 [Link to WangchanX FLAN-like Dataset Creation Github repository](https://github.com/vistec-AI/WangchanX/tree/datasets)
 
+## Citation
+```
+@misc{phatthiyaphaibun2025mangosteenopenthaicorpus,
+      title={Mangosteen: An Open Thai Corpus for Language Model Pretraining}, 
+      author={Wannaphong Phatthiyaphaibun and Can Udomcharoenchaikit and Pakpoom Singkorapoom and Kunat Pipatanakul and Ekapol Chuangsuwanich and Peerat Limkonchotiwat and Sarana Nutanong},
+      year={2025},
+      eprint={2507.14664},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2507.14664}, 
+}
+```
+
 ## Disclaimer
 This is the repository for the commercial instruction-tuned model.
 The model has _not_ been aligned for safety.