diff --git a/CITATION.cff b/CITATION.cff
index e087ae7..f8c5965 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -35,3 +35,4 @@ preferred-citation:
   isbn: 1573-1634
   number: 2
   journal: Transport in Porous Media
+  type: article