diff --git a/README.md b/README.md
index d0b3e5a..f1fe326 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@ The online version is automatically rebuilt upon each push to this repository, u
 
 Please cite this work as follows (for BibTeX):
 
+```bibtex
 @book{Poldrack2018,
   author = {Russell A. Poldrack},
   title = {Statistical Thinking for the 21st Century},
@@ -20,6 +21,7 @@ Please cite this work as follows (for BibTeX):
   url = {https://statsthinking21.org},
   publisher = {Self-published}
 }
+```
 
 #### License
 This book is licensed using the [Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)  License](https://creativecommons.org/licenses/by-nc/4.0/).