diff --git a/doc/source/master_list.bib b/doc/source/master_list.bib
index 29f3c4a4d..b685b8ad3 100644
--- a/doc/source/master_list.bib
+++ b/doc/source/master_list.bib
@@ -792,6 +792,17 @@ @Manual{Oleson10
   url = {https://opensky.ucar.edu/islandora/object/technotes:493}
 }
 
+@article{Roberts19,
+author = {Roberts, A. F. and Hunke, E. C. and Kamal, S. M. and Lipscomb, W. H. and Horvat, C. and Maslowski, W.},
+doi = {10.1029/2018MS001395},
+journal = {Journal of Advances in Modeling Earth Systems},
+pages = {771--805},
+title = {{A Variational Method for Sea Ice Ridging in Earth System Models}},
+volume = {11},
+year = {2019}
+}
+
+
 
 %  **********************************************
 %  For new entries, see example entry in BIB_TEMPLATE.txt
diff --git a/doc/source/user_guide/ug_troubleshooting.rst b/doc/source/user_guide/ug_troubleshooting.rst
index 94a2786d3..1ff73fb6b 100755
--- a/doc/source/user_guide/ug_troubleshooting.rst
+++ b/doc/source/user_guide/ug_troubleshooting.rst
@@ -87,7 +87,7 @@ Known bugs and other issues
     Development of a new, variational approach for ridging is underway 
     that will generate ridge shapes differently from
     the current parameterization, and is expected to alleviate the reported
-    problem (Roberts, A., et al, in prep. 2018). 
+    problem (:cite:`Roberts19`). 
 
 Interpretation of albedos
 -------------------------