Update README.md

README.md

@@ -64,4 +64,18 @@ Simple, multiscale, and hierarchical graphs are included already, but can be cre
 python -m neural_lam.create_graph --config_path data/vlasiator_config.yaml --name simple --levels 1 --coarsen-factor 5 --plot
 python -m neural_lam.create_graph --config_path data/vlasiator_config.yaml --name multiscale --levels 3 --coarsen-factor 5 --plot
 python -m neural_lam.create_graph --config_path data/vlasiator_config.yaml --name hierarchical --levels 3 --coarsen-factor 5 --hierarchical --plot
+```
+
+## Citation
+
+```
+@misc{vlasiator2025mldata,
+  title        = {Vlasiator Dataset for Machine Learning Studies},
+  author       = {Zaitsev, Ivan and Holmberg, Daniel and Alho, Markku and Bouri, Ioanna and 
+                  Franssila, Fanni and Jeong, Haewon and Palmroth, Minna and Roos, Teemu},
+  year         = {2025},
+  publisher    = {Hugging Face},
+  url          = {https://huggingface.co/datasets/deinal/spacecast-data},
+  doi          = {10.57967/hf/7027},
+}
 ```