diff --git a/inst/CITATION b/inst/CITATION
index a7bf2f42f7926cf58a1e068d906609aef6040430..2640aff46571d5ba6daa7b7a4c56f25b4747a286 100644
--- a/inst/CITATION
+++ b/inst/CITATION
@@ -15,3 +15,13 @@ citEntry(
       "We are in process of writing a journal paper about the package, but for now we referer to the paper 'Short-term heat load forecasting for single family houses', in which the implemented modelling is described."
   )
 )
+
+
+citEntry(
+  entry    = "Manual",
+  title    = "{{onlineforecast}: Forecast Modelling for Online Applications}",
+  author   = "Peder Bacher and Hjörleifur G. Bergsteinsson",
+  year     = "2020",
+  note     = "R package version 0.9.3",
+  url      = "https://onlineforecasting.org"
+)