diff --git a/inst/references.bib b/inst/references.bib
index a2acf78..d6a859d 100644
--- a/inst/references.bib
+++ b/inst/references.bib
@@ -82,3 +82,12 @@ @article{love2019jasp
     pages={1--17},
     year={2019}
 }
+
+@Manual{grid,
+    title = {R: A Language and Environment for Statistical Computing},
+    author = {{R Core Team}},
+    organization = {R Foundation for Statistical Computing},
+    address = {Vienna, Austria},
+    year = {2024},
+    url = {https://www.R-project.org/}
+  }