From 7e8f18a018a8c7db5f41fcb926cc5e8684c9be35 Mon Sep 17 00:00:00 2001
From: Gagandeep Anand <30330521+gsanand@users.noreply.github.com>
Date: Thu, 11 Apr 2024 12:30:39 -0400
Subject: [PATCH] Update index.rst

---
 doc/source/index.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/source/index.rst b/doc/source/index.rst
index d6a14d4..d5d94ad 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -52,3 +52,10 @@ Indices and tables
 * :ref:`genindex`
 * :ref:`modindex`
 * :ref:`search`
+
+******************
+Citation
+******************
+
+* Please cite `acstools <https://ui.adsabs.harvard.edu/abs/2020ascl.soft11024L/abstract>` if you have used it in your work. 
+