diff --git a/paper.tex b/paper.tex
index 333f2f1..2e5a040 100644
--- a/paper.tex
+++ b/paper.tex
@@ -1,4 +1,4 @@
-\documentclass[preprint,review,12pt]{static/elsarticle}
+\documentclass[preprint,review,12pt,authoryear]{static/elsarticle}
 
 \input{tex/preamble}