Update README.md

README.md

@@ -51,7 +51,7 @@ SentenceTransformer(
 ## Citing & Authors
 
 <!--- Describe where people can find more information -->
-
+```
 @inproceedings{wang2023math,
   title={Math Information Retrieval with Contrastive Learning of Formula Embeddings},
   author={Wang, Jingyi and Tian, Xuedong},
@@ -59,4 +59,5 @@ SentenceTransformer(
   pages={97--107},
   year={2023},
   organization={Springer}
-}
+}
+```