Update README.md

README.md

@@ -42,4 +42,16 @@ better_instruction = tokenizer.parse_output(
 )
 
 print(better_instruction)
+```
+
+If you find this work useful, please consider citing:
+```
+@misc{song2025paligner,
+  title={P-Aligner: Enabling Pre-Alignment of Language Models via Principled Instruction Synthesis},
+  author={Song, Feifan and Gao, Bofei and Song, Yifan and Liu, Yi and Xiong, Weimin and Song, Yuyang and Liu, Tianyu and Wang, Guoyin and Wang, Houfeng},
+  year={2025},
+  eprint={2508.04626},
+  archivePrefix={arXiv},
+  primaryClass={cs.CL}
+}
 ```