Update README.md

README.md

@@ -130,6 +130,15 @@ The following hyperparameters were used during training:
 
 ## Citation 
 
-To be completed.
+```bibtex
+@misc{tower_llm_2024,
+      title={Tower: An Open Multilingual Large Language Model for Translation-Related Tasks}, 
+      author={Duarte M. Alves and José Pombal and Nuno M. Guerreiro and Pedro H. Martins and João Alves and Amin Farajian and Ben Peters and Ricardo Rei and Patrick Fernandes and Sweta Agrawal and Pierre Colombo and José G. C. de Souza and André F. T. Martins},
+      year={2024},
+      eprint={2402.17733},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL}
+}
+```
 
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