diff --git a/docs/_config.yml b/docs/_config.yml
index 1747c8dc..2b45ba73 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -19,6 +19,7 @@ html:
     baseurl: https://GFDRR.github.io/CCDR-tools
     extra_footer: |
         <div>
+	Cite as: "Amadio M. (GFDRR) - CCDR tools data and methodology, 2023. Available at https://gfdrr.github.io/CCDR-tools"<br>
             <b>All content (unless otherwise specified) is subject to the <a href="https://raw.githubusercontent.com/worldbank/template/main/LICENSE">World Bank Master Community License Agreement.</a></b>
         </div>