Update README.md

README.md

@@ -6,7 +6,18 @@ license: mit
 ## Sentiment Analysis Data for the Bulgarian Language
 
 **Dataset Description:**
-This dataset contains a sentiment analysis dataset extracted from here.
+This dataset contains a sentiment analysis dataset from Martinez-Garcia et al. (2021).
 
 **Data Structure:**
 The data was used for the project on [injecting external commonsense knowledge into multilingual Large Language Models](https://github.com/d-gurgurov/Injecting-Commonsense-Knowledge-into-LLMs).
+
+**Citation:**
+```bibtex
+@inproceedings{martinez2021evaluating,
+  title={Evaluating morphological typology in zero-shot cross-lingual transfer},
+  author={Mart{\'\i}nez-Garc{\'\i}a, Antonio and Badia, Toni and Barnes, Jeremy},
+  booktitle={Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers)},
+  pages={3136--3153},
+  year={2021}
+}
+```