diff --git a/README.Rmd b/README.Rmd
index c97ca6c..d5a3245 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -114,6 +114,31 @@ prior to submitting a pull request.
 
 ---
 
+## Citation
+
+Please cite the first paper below after using the `scPCA` R software
+package. Please also make sure to cite the appropriate articles
+describing the statistical methodology.
+
+```
+@manual{boileau2020scPCAbioc,
+  title = {{scPCA}: Sparse contrastive principal component analysis},
+  author = {Philippe  Boileau and Nima S Hejazi and Sandrine Dudoit},
+  year = {2020},
+  note = {R package version 1.1.9},
+  url = {https://bioconductor.org/scPCA},
+}
+
+@article{boileau2020scPCA,
+  journal = {bioRxiv},
+  title = {Exploring high-dimensional biological data with sparse contrastive principal component analysis},
+  author = {Philippe  Boileau and Nima S Hejazi and Sandrine Dudoit},
+  year = {2019+},
+}
+```
+
+---
+
 ## License
 
 © 2019-2020 [Philippe Boileau](https://pboileau.ca/)
diff --git a/README.md b/README.md
index ff4ffd4..4d85977 100644
--- a/README.md
+++ b/README.md
@@ -112,6 +112,29 @@ prior to submitting a pull request.
 
 -----
 
+## Citation
+
+Please cite the first paper below after using the `scPCA` R software
+package. Please also make sure to cite the appropriate articles
+describing the statistical methodology.
+
+    @manual{boileau2020scPCAbioc,
+      title = {{scPCA}: Sparse contrastive principal component analysis},
+      author = {Philippe  Boileau and Nima S Hejazi and Sandrine Dudoit},
+      year = {2020},
+      note = {R package version 1.1.9},
+      url = {https://bioconductor.org/scPCA},
+    }
+    
+    @article{boileau2020scPCA,
+      journal = {bioRxiv},
+      title = {Exploring high-dimensional biological data with sparse contrastive principal component analysis},
+      author = {Philippe  Boileau and Nima S Hejazi and Sandrine Dudoit},
+      year = {2019+},
+    }
+
+-----
+
 ## License
 
 © 2019-2020 [Philippe Boileau](https://pboileau.ca/)