Update README.md

README.md

@@ -146,6 +146,8 @@ The following hyperparameters were used during training:
 
 ## CITATION:
 
+If you use this model, please cite the following paper:
+
 ```bibitex
 @inproceedings{barbieri-etal-2020-tweeteval,
     title = "{T}weet{E}val: Unified Benchmark and Comparative Evaluation for Tweet Classification",