Update README.md

README.md

@@ -104,5 +104,20 @@ While this model is designed for scientific use, users should be mindful of pote
 If you use this model in your research, please cite:
 
 ```
-[Citation for Pan et al. 2024 to be added]
+@ARTICLE{2024arXiv240919750P,
+       author = {{Pan}, Rui and {Dung Nguyen}, Tuan and {Arora}, Hardik and {Accomazzi}, Alberto and {Ghosal}, Tirthankar and {Ting}, Yuan-Sen},
+        title = "{AstroMLab 2: AstroLLaMA-2-70B Model and Benchmarking Specialised LLMs for Astronomy}",
+      journal = {arXiv e-prints},
+     keywords = {Astrophysics - Instrumentation and Methods for Astrophysics, Computer Science - Computation and Language},
+         year = 2024,
+        month = sep,
+          eid = {arXiv:2409.19750},
+        pages = {arXiv:2409.19750},
+          doi = {10.48550/arXiv.2409.19750},
+archivePrefix = {arXiv},
+       eprint = {2409.19750},
+ primaryClass = {astro-ph.IM},
+       adsurl = {https://ui.adsabs.harvard.edu/abs/2024arXiv240919750P},
+      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
+}
 ```