diff --git a/DISCOVERY.md b/DISCOVERY.md
index 308ccff..be65f76 100644
--- a/DISCOVERY.md
+++ b/DISCOVERY.md
@@ -6,7 +6,8 @@
 - **Description**: Spatial transcript purification for contamination-aware spatial transcriptomics workflows
 - **License**: GPL-3
 - **Repository**: https://github.com/bdsc-tds/SPLIT
-
+- **Upstream citation**: Bilous et al., *Nature Methods* (2026), https://doi.org/10.1038/s41592-026-03089-8
+  
 ## Existing py- Mirror Check
 
 - **py-SPLIT exists in omicverse?**: No - this is a new port.
diff --git a/README.md b/README.md
index 0a9e411..b23d540 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@
 
 # SPLIT-ST
 
-A **pure-Python re-implementation of SPLIT** for spatial transcriptomics purification.
+A **pure-Python re-implementation of [SPLIT](https://github.com/bdsc-tds/SPLIT)** for spatial transcriptomics purification.
 
 - AnnData-native — works directly with cell x gene spatial matrices
 - No `rpy2`, no R install, no RCTD/Seurat object dependency
@@ -235,8 +235,16 @@ from splitst import (
 
 ## Citation
 
-If you use this package, please cite the original SPLIT work and acknowledge this repository for the Python port.
+This package is a Python re-implementation of the original SPLIT method. If you use this package, please cite the original SPLIT publication:
+
+Bilous, M., Buszta, D., Bac, J., Kang, S., Dong, Y., Tissot, S., Andre, S., Alexandre-Gaveta, M., Voize, C., Peters, S., Homicsko, K. & Gottardo, R.
+**Resolving sensitivity, specificity and signal contamination in Xenium spatial transcriptomics.**
+*Nature Methods* (2026). https://doi.org/10.1038/s41592-026-03089-8
+
+Original SPLIT R package: https://github.com/bdsc-tds/SPLIT
+
+Please also acknowledge this repository when using the Python port.
 
 ## License
 
-GNU GPLv3 — matching the upstream SPLIT license.
+GNU GPLv3 — matching the upstream [SPLIT](https://github.com/bdsc-tds/SPLIT) license.
diff --git a/examples/split_workflow.ipynb b/examples/split_workflow.ipynb
index d9c602f..23f9fcd 100644
--- a/examples/split_workflow.ipynb
+++ b/examples/split_workflow.ipynb
@@ -8,6 +8,10 @@
     "# SPLIT-ST workflow\n",
     "\n",
     "This notebook runs the standalone Python SPLIT workflow on a deterministic AnnData fixture."
+
+   Please cite: Bilous et al., **Resolving sensitivity, specificity and signal contamination in Xenium spatial transcriptomics**, *Nature Methods* (2026), https://doi.org/10.1038/s41592-026-03089-8.
+
+   Original SPLIT R package: https://github.com/bdsc-tds/SPLIT
    ]
   },
   {
diff --git a/pyproject.toml b/pyproject.toml
index cf8cbac..f570add 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,6 +43,8 @@ dev = [
 Homepage = "https://github.com/omicverse/py-SPLIT"
 Repository = "https://github.com/omicverse/py-SPLIT"
 Issues = "https://github.com/omicverse/py-SPLIT/issues"
+Upstream = "https://github.com/bdsc-tds/SPLIT"
+Paper = "https://doi.org/10.1038/s41592-026-03089-8"
 
 [tool.setuptools.packages.find]
 include = ["splitst*"]