diff --git a/CITATION.cff b/CITATION.cff
new file mode 100644
index 000000000..c004fdb57
--- /dev/null
+++ b/CITATION.cff
@@ -0,0 +1,22 @@
+cff-version: 1.2.0
+message: "If you use this software, please cite it as below."
+authors:
+- family-names: "Van Sebille"
+  given-names: "Erik"
+  orcid: "https://orcid.org/0000-0003-2041-0704"
+- family-names: "Kehl"
+  given-names: "Christian"
+  orcid: "https://orcid.org/0000-0003-4200-1450"
+- family-names: "Lange"
+  given-names: "Michael"
+  orcid: "https://orcid.org/0000-0002-3232-0127"
+- family-names: "Delandmeter"
+  given-names: "Philippe"
+  orcid: "https://orcid.org/0000-0003-0100-5834"
+- name: "The Parcels contributors"
+  website: "https://github.com/OceanParcels/parcels/graphs/contributors"
+title: "Parcels"
+version: 2.3.0
+doi: 10.5281/zenodo.5196084
+date-released: 2021-08-13
+url: "https://github.com/OceanParcels/parcels"
diff --git a/README.md b/README.md
index c60e0146e..1ef8c1460 100644
--- a/README.md
+++ b/README.md
@@ -28,3 +28,4 @@ See [oceanparcels.org](http://oceanparcels.org/) for further information about [
 [![Anaconda-release](https://anaconda.org/conda-forge/parcels/badges/version.svg)](https://anaconda.org/conda-forge/parcels/)
 [![Anaconda-date](https://anaconda.org/conda-forge/parcels/badges/latest_release_date.svg)](https://anaconda.org/conda-forge/parcels/)
 [![Zenodo](https://zenodo.org/badge/DOI/10.5281/zenodo.823561.svg)](https://doi.org/10.5281/zenodo.823561)
+[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/5353/badge)](https://bestpractices.coreinfrastructure.org/projects/5353)