Update launch log: 75,729 launches, 710 sites

README.md

@@ -148,6 +148,19 @@ Weekly on Mondays at 07:00 UTC via [GitHub Actions](https://github.com/juliensim
 
 Source code: [juliensimon/space-datasets](https://github.com/juliensimon/space-datasets)
 
+## Citation
+
+```bibtex
+@dataset{space_launch_log,
+  author = {Simon, Julien},
+  title = {Space Launch Log},
+  year = {2026},
+  publisher = {Hugging Face},
+  url = {https://huggingface.co/datasets/juliensimon/space-launch-log},
+  note = {Based on GCAT (General Catalog of Artificial Space Objects) by Jonathan McDowell, Harvard-Smithsonian Center for Astrophysics}
+}
+```
+
 ## License
 
 [CC-BY-4.0](https://creativecommons.org/licenses/by/4.0/)