Update README from local repo

README.md

@@ -153,3 +153,20 @@ The model was fine-tuned on 3,000 labeled open-ended responses from [RANDS durin
 + Number training epochs: 4 
 + Base Model pooling dimension: 768 
 + Number of labels: 5 
+
+## Suggested citation
+
+```bibtex
+@misc{cibellihibben2023sands,
+      title={Semi-Automated Nonresponse Detection for Open-text Survey Data}, 
+      author={Kristen Cibelli Hibben, Zachary Smith, Ben Rogers, Valerie Ryan, Paul Scanlon, Kristen Miller, Travis Hoppe},
+      year={2023},
+      url={https://huggingface.co/NCHS/SANDS},
+}
+```
+
+## Open source licence
+
+Model and code, including source files and code samples if any in the content, are released as open source under the [Creative Commons Universal Public Domain](https://creativecommons.org/publicdomain/zero/1.0/). This means you can use the code, model, and content in this repository except for any offical trademarks in your own projects.
+
+Open source projects are made available and contributed to under licenses that include terms that, for the protection of contributors, make clear that the projects are offered "as-is", without warranty, and disclaiming liability for damages resulting from using the projects. This model is no different. The open content license it is offered under includes such terms.