Update README.md

added citation format example

README.md

@@ -127,4 +127,6 @@ This dataset is licensed under the **Creative Commons Attribution-NonCommercial
 
 ## Citation
 
-If you use this dataset in your research, please cite the DOI https://doi.org/10.57967/hf/7039 with [Alan Ng](https://www.alan-ng.net/) as the author.
+If you use this dataset in your research, please cite the DOI https://doi.org/10.57967/hf/7039 with [Alan Ng](https://www.alan-ng.net/) as the author. Example:
+
+Ng, Alan. 2024. "Irish Traditional Music Test Datasets for Machine Learning (alanngnet/irish-tunes-csi)." Hugging Face. doi:10.57967/hf/7039