Update README.md

README.md

@@ -14,4 +14,15 @@ This model classified politicians' tweets in English according to nine issues:
 - Defense
 - Environment
 
-The model was used to classify Twitter messages to study responsiveness to public issue salience for a forthcoming article. A link to the article will be provided that explains the training and validation process upon publication. 
+The model was used to classify Twitter messages to study responsiveness to public issue salience in the following article: https://doi.org/10.1017/S153759272400104X. 
+
+If you find the model useful and would like to cite it, it would be greatly if you could cite the following: 
+
+@article{dickson2024gender,
+  title={The Gender Gap in Elite-Voter Responsiveness Online},
+  author={Dickson, Zachary P},
+  journal={Perspectives on Politics},
+  pages={1--17},
+  year={2024},
+  publisher={Cambridge University Press}
+}