diff --git a/CITATION.cff b/CITATION.cff
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--- /dev/null
+++ b/CITATION.cff
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+cff-version: 1.2.0
+message: "If you use this software, please cite it as below."
+authors:
+
+- family-names: "Resende"
+  given-names: "Ximenes"
+
+- family-names: "de Sá"
+  given-names: "Fernando Henrique"
+
+title: "Trackcpp. C++ codes for particle tracking in accelerators."
+version: v4.7.0
+doi:  DOI: 10.5281/zenodo.6412854
+date-released: 2022-04-04
+url: "https://github.com/lnls-fac/trackcpp"
diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+[![DOI](https://zenodo.org/badge/33890374.svg)](https://zenodo.org/badge/latestdoi/33890374)
+
 # trackcpp
 
 Particle tracking code