Update README.md

README.md

@@ -61,3 +61,24 @@ from datasets import load_dataset
 
 dataset = load_dataset("LIACC/PORTO")
 ```
+
+# Citation
+When using or citing this corpus, kindly cite the following publication:
+```
+@inproceedings{10.1145/3746252.3761633,
+author = {Freitas Os\'{o}rio, Tom\'{a}s and Lopes Cardoso, Henrique},
+title = {Portuguese post-OCR Resources for Text Optimisation},
+year = {2025},
+isbn = {9798400720406},
+publisher = {Association for Computing Machinery},
+address = {New York, NY, USA},
+url = {https://doi.org/10.1145/3746252.3761633},
+doi = {10.1145/3746252.3761633},
+booktitle = {Proceedings of the 34th ACM International Conference on Information and Knowledge Management},
+pages = {6361–6366},
+numpages = {6},
+keywords = {historical portuguese corpora, ocr evaluation, post-ocr correction resources},
+location = {Seoul, Republic of Korea},
+series = {CIKM '25}
+}
+```