diff --git a/README.Rmd b/README.Rmd
index 9659cf6..9c5eadd 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -73,6 +73,11 @@ Revisiting neoantigen depletion signal in the untreated cancer genome.
 Shixiang Wang, Xuan Wang, Tao Wu, Zaoke He, Huimin Li, Xiaoqin Sun, Xue-Song Liu
 bioRxiv 2020.05.11.089540; doi: https://doi.org/10.1101/2020.05.11.089540
 
+## Reference
+
+- Richman LP, Vonderheide RH, Rech AJ. Neoantigen Dissimilarity to the Self-Proteome Predicts Immunogenicity and Response to Immune Checkpoint Blockade. Cell Systems. 2019 Oct;9(4):375-382.e4. DOI: 10.1016/j.cels.2019.08.009.
+- R package antigen.garnish <https://github.com/immune-health/antigen.garnish>
+
 ## LICENSE
 
 MIT © 2019-2020 Shixiang Wang, Xue-Song Liu
diff --git a/README.md b/README.md
index 4caf614..5f833e8 100644
--- a/README.md
+++ b/README.md
@@ -82,6 +82,15 @@ Shixiang Wang, Xuan Wang, Tao Wu, Zaoke He, Huimin Li, Xiaoqin Sun,
 Xue-Song Liu bioRxiv 2020.05.11.089540; doi:
 <https://doi.org/10.1101/2020.05.11.089540>
 
+## Reference
+
+  - Richman LP, Vonderheide RH, Rech AJ. Neoantigen Dissimilarity to the
+    Self-Proteome Predicts Immunogenicity and Response to Immune
+    Checkpoint Blockade. Cell Systems. 2019 Oct;9(4):375-382.e4. DOI:
+    10.1016/j.cels.2019.08.009.
+  - R package antigen.garnish
+    <https://github.com/immune-health/antigen.garnish>
+
 ## LICENSE
 
 MIT © 2019-2020 Shixiang Wang, Xue-Song Liu