Adding citing the project

README.md

@@ -158,3 +158,19 @@ If it's not the case yet, you can check these free resources:
 **Is there a certificate?**
 
 Yes 🎉. You'll **need to upload the eight models with the eight hands-on.**
+
+
+## Citing the project
+
+To cite this repository in publications:
+
+```bibtex
+@misc{deep-rl-class,
+  author = {Simonini, Thomas and Sanseviero, Omar},
+  title = {The Hugging Face Deep Reinforcement Learning Class},
+  year = {2022},
+  publisher = {GitHub},
+  journal = {GitHub repository},
+  howpublished = {\url{https://github.com/huggingface/deep-rl-class}},
+}
+```