diff --git a/inst/CITATION b/inst/CITATION
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+citHeader("If you use pepr, please cite:")
+
+bibentry(
+  key = "Sheffield2021",
+  bibtype  = "Article",
+  doi = "10.1093/gigascience/giab077",
+  title = "Linking big biomedical datasets to modular analysis with Portable Encapsulated Projects",
+  journal = "GigaScience",
+  author = "NC Sheffield, M Stolarczyk, VP Reuter, and AF Rendeiro",
+  year = "2021"
+)
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