Update README.md

README.md

@@ -23,9 +23,11 @@ Persian (Farsi) language is a pluricentric language spoken by around 110 million
 
 ### Citation Information
 
+```
 @article{amirkhani2020farstail,
   title={FarsTail: A Persian Natural Language Inference Dataset},
   author={Hossein Amirkhani, Mohammad Azari Jafari, Azadeh Amirak, Zohreh Pourjafari, Soroush Faridan Jahromi, and Zeinab Kouhkan},
   journal={arXiv preprint arXiv:2009.08820},
   year={2020}
-}
+}
+```