diff --git a/CITATION.bib b/CITATION.bib
index cfbdb82..337e68a 100644
--- a/CITATION.bib
+++ b/CITATION.bib
@@ -1,8 +1,8 @@
 @misc{RationalFunctionApproximation.jl,
 	author  = {Toby Driscoll <driscoll@udel.edu> and contributors},
 	title   = {RationalFunctionApproximation.jl},
-	url     = {https://github.com/complexvariables/RationalFunctionApproximation.jl},
-	version = {v1.0.0-DEV},
+	version = {v0.1.0},
+	doi = {10.5281/zenodo.8355791},
 	year    = {2023},
 	month   = {9}
 }
diff --git a/CITATION.cff b/CITATION.cff
new file mode 100644
index 0000000..4dae2e5
--- /dev/null
+++ b/CITATION.cff
@@ -0,0 +1,11 @@
+cff-version: 1.2.0
+message: "If you use this software, please cite it as below."
+authors:
+- family-names: "Driscoll"
+  given-names: "Tobin A."
+  orcid: "https://orcid.org/0000-0002-1490-2545"
+title: "RationalFunctionApproximation.jl: Approximation by rational functions on intervals and domains in the complex plane"
+version: 0.1.0
+doi: 10.5281/zenodo.8355791
+date-released: 2023-09-18
+url: "https://github.com/complexvariables/RationalFunctionApproximation.jl"
\ No newline at end of file