diff --git a/R/.onLoad b/R/.onLoad
new file mode 100644
index 0000000000000000000000000000000000000000..8f8fdbe7500dfad0424a5249eb7b9d1334aa8b10
--- /dev/null
+++ b/R/.onLoad
@@ -0,0 +1,4 @@
+.onLoad <- function(libname, pkgname){
+citation("airGR")
+citation("airGRscholar")
+}
diff --git a/R/Utils.R b/R/Utils.R
new file mode 100644
index 0000000000000000000000000000000000000000..56cdd51a9df8ea2974c2fde781b32556dceec0a2
--- /dev/null
+++ b/R/Utils.R
@@ -0,0 +1,3 @@
+.onLoad <- function(libname, pkgname){
+  print(citation("airGR"))
+}
\ No newline at end of file