Update README.md

README.md

@@ -49,3 +49,21 @@ We believe the discrepancies of Rouge-L scores between the original Pegasus work
 | Max             | 62.88, [62.42, 63.33] | 43.96, [43.39, 44.54] | 57.50, [57.01, 58.00] |
 | Random          | 54.93, [54.43, 55.43] | 35.42, [34.85, 35.97] | 49.19, [48.68, 49.70] |
 | **SimCLS**      | 57.49, [57.01, 58.00] | 38.54, [37.98, 39.10] | 51.91, [51.39, 52.43] |
+
+### Citation of the original work
+
+```bibtex
+@inproceedings{liu-liu-2021-simcls,
+    title = "{S}im{CLS}: A Simple Framework for Contrastive Learning of Abstractive Summarization",
+    author = "Liu, Yixin  and
+      Liu, Pengfei",
+    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 2: Short Papers)",
+    month = aug,
+    year = "2021",
+    address = "Online",
+    publisher = "Association for Computational Linguistics",
+    url = "https://aclanthology.org/2021.acl-short.135",
+    doi = "10.18653/v1/2021.acl-short.135",
+    pages = "1065--1072",
+}
+```