fix citation [build]

manuscript/09-contribute.Rmd

@@ -14,25 +14,24 @@ If you found this book useful for your blog post, research article or product, I
 You can cite the book like this:
 
 
-
- Molnar, C. (2022). Interpretable Machine Learning:
- A Guide for Making Black Box Models Explainable (2nd ed.).
- christophm.github.io/interpretable-ml-book/
-
+```
+Molnar, C. (2022). Interpretable Machine Learning:
+A Guide for Making Black Box Models Explainable (2nd ed.).
+christophm.github.io/interpretable-ml-book/
+```
 
 Or use the following bibtex entry:
 
-
-
- @book{molnar2022,
-  title = {Interpretable Machine Learning},
-  author = {Christoph Molnar},
-  year = {2022},
-  subtitle = {A Guide for Making Black Box Models Explainable},
-  edition = {2},
-  url = {christophm.github.io/interpretable-ml-book/}
- }
-
+```
+@book{molnar2022,
+ title = {Interpretable Machine Learning},
+ author = {Christoph Molnar},
+ year = {2022},
+ subtitle = {A Guide for Making Black Box Models Explainable},
+ edition = {2},
+ url = {christophm.github.io/interpretable-ml-book/}
+}
+```
 
 I am always curious about where and how interpretation methods are used in industry and research.
 If you use the book as a reference, it would be great if you wrote me a line and told me what for.