From 5d8becba0a100f7400e0b4272202e4e05c56af2f Mon Sep 17 00:00:00 2001
From: "Joe T.S" <thunyathep.santhanavanich@hft-stuttgart.de>
Date: Sat, 27 Nov 2021 15:47:37 +0000
Subject: [PATCH] Update README.md

---
 README.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index e63e48e..27fe61c 100644
--- a/README.md
+++ b/README.md
@@ -49,4 +49,9 @@ https://www.hft-stuttgart.de/p/thunyathep-santhanavanich
 |------------------------------------------------------------------|-------------------------------------|
 | 3D Data Container and Tiles API Pilot Summary Engineering Report | http://docs.ogc.org/per/20-031.html |
 | Interoperable Simulation and Gaming Sprint Engineering Report    | http://docs.ogc.org/per/20-087.html |
-| Steinbeis Demo                                                   | https://steinbeis-3dps.eu |
\ No newline at end of file
+| Steinbeis Demo                                                   | https://steinbeis-3dps.eu |
+
+## Citation
+```
+Santhanavanich, Thunyathep. (2021). OGC 3D GeoVolumes API. Zenodo. https://doi.org/10.5281/zenodo.5731579
+```
-- 
GitLab