Update README.md

README.md

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 # BERT-i-tiny-cased (gnBERT-tiny-cased)
 
 A pre-trained BERT model for **Guarani** (2 layers, cased). Trained on Wikipedia + Wiktionary (~800K tokens).
+
+# How cite?
+
+```
+@article{aguero-et-al2023multi-affect-low-langs-grn,
+  title={Multidimensional Affective Analysis for Low-resource Languages: A Use Case with Guarani-Spanish Code-switching Language},
+  author={Agüero-Torales, Marvin Matías, López-Herrera, Antonio Gabriel, and Vilares, David},
+  journal={Cognitive Computation},
+  year={2023},
+  publisher={Springer},
+  notes={Forthcoming}
+}
+```