diff --git a/CITATION b/CITATION
index b71a49f8..97f68344 100644
--- a/CITATION
+++ b/CITATION
@@ -1,5 +1,6 @@
 Please cite as:
 
-Deborah Paul and Cam Macdonell (eds): 
-"Data Carpentry: Data Cleaning with OpenRefine."
-https://github.com/datacarpentry/OpenRefine-ecology-lesson/.
+Deborah Paul and Cam Macdonell (eds): "Data Carpentry: Data Cleaning with OpenRefine Ecology lesson."
+Version 2017.04.0, April 2017,
+http://www.datacarpentry.org/OpenRefine-ecology-lesson/,
+FIXME: Add Zenodo DOI.