Update citation in README.md

Author: LucaMarconato

README.md

@@ -13,7 +13,7 @@ If you found a bug, please use the [issue tracker][issue-tracker].
 
 ## Citation
 
-[L Marconato*, G Palla*, KA Yamauchi*, I Virshup*, E Heidari, T Treis, M Toth, R Shrestha, H Vöhringer, W Huber, M Gerstung, J Moore, FJ Theis, O Stegle, bioRxiv, 2023](https://www.biorxiv.org/content/10.1101/2023.05.05.539647v1). \* = equal contribution
+Marconato, L., Palla, G., Yamauchi, K.A. et al. SpatialData: an open and universal data framework for spatial omics. Nat Methods (2024). https://doi.org/10.1038/s41592-024-02212-x
 
 [scverse-discourse]: https://discourse.scverse.org/
 [issue-tracker]: https://github.com/scverse/spatialdata-notebooks/issues