diff --git a/index.tex b/index.tex
index 3e7b98c..4531a79 100644
--- a/index.tex
+++ b/index.tex
@@ -6,7 +6,7 @@
 \usepackage{graphicx}
 \usepackage{physics}
 \usepackage{bm}
-
+\bibliographystyle{apsrev4-2}
 
 \begin{document}
 \preprint{APS/123-QED}