Update README.md

README.md

@@ -9,4 +9,14 @@ app_file: app.py
 pinned: false
 ---
 
+@misc{perez2021pysentimiento,
+      title={pysentimiento: A Python Toolkit for Sentiment Analysis and SocialNLP tasks},
+      author={Juan Manuel Pérez and Juan Carlos Giudici and Franco Luque},
+      year={2021},
+      eprint={2106.09462},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL}
+}
+
+
 Check out the configuration reference at https://huggingface.co/docs/hub/spaces#reference