Update README.md

README.md

@@ -98,6 +98,7 @@ Users (both direct and downstream) should be aware of the limitations and intend
 
 **BibTeX:**
 
+```
 @misc{photomz2023,
   author = {Markus Zhang, Vir Chau},
   title = {BabyDoctor},
@@ -105,9 +106,11 @@ Users (both direct and downstream) should be aware of the limitations and intend
   howpublished = {\url{https://github.com/photomz/BabyDoctor}},
   note = {GitHub}
 }
+```
 
 **APA:**
 
+```
 @misc{photomz2023,
   author = {{Zhang, M.} and {Chau, V.}},
   title = {BabyDoctor},
@@ -115,6 +118,7 @@ Users (both direct and downstream) should be aware of the limitations and intend
   howpublished = {\url{https://github.com/photomz/BabyDoctor}},
   note = {GitHub}
 }
+```
 
 
 Contact us by submitting a [GitHub issue](https://github.com/photomz/BabyDoctor)!