add citation

README.md

@@ -52,4 +52,14 @@ The fhirfly/medicalquestions dataset is released under the MIT license. Please r
 
 ## Dataset Citation
 
-If you use the fhirfly/medicalquestions dataset in your work, please cite it as:
+If you use the fhirfly/medicalquestions dataset in your work, please cite it as:
+```
+@dataset{fhirfly/medicalquestions,
+  title = {fhirfly/medicalquestions},
+  author = {fhirfly},
+  year = {2023},
+  publisher = {Hugging Face},
+  version = {1.0.0},
+  url = {https://huggingface.co/datasets/fhirfly/medicalquestions}
+}
+```