add citations

README.md

@@ -1,3 +1,15 @@
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-license: mit
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+---
+license: mit
+---
+
+## Citation
+
+If you use this dataset, please cite:
+
+```bibtex
+@article{mancar2026,
+  title={ManCAR: Manifold-Constrained Latent Reasoning with Adaptive Test-Time Computation for Sequential Recommendation},
+  author={Kun Yang, Yuxuan Zhu, Yazhe Chen, Siyao Zheng, Bangyang Hong, Kangle Wu, Yabo Ni, Anxiang Zeng, Cong Fu, Hui Li},
+  journal={arXiv preprint arXiv:2602.20093},
+  year={2026}
+}