Update reference

README.md

@@ -24,4 +24,4 @@ To load the pre-trained model, use the Files and Versions tab files.
 
 ## References
 * Dataset entry in Therapeutics Data Commons, https://tdcommons.ai/multi_pred_tasks/scdti/
-* Li, Michelle, et al. “Contextualizing Protein Representations Using Deep Learning on Protein Networks and Single-Cell Data” bioRxiv (2023) 
+* Li, Michelle, et al. “Contextual AI models for single-cell protein biology” Nature Methods (2024)