Guidotti, E., Ardia, D., (2020), "COVID-19 Data Hub", Working paper, doi: 10.13140/RG.2.2.11649.81763.

@Unpublished{,
  note = {Working Paper},
  title = {COVID-19 Data Hub},
  year = {2020},
  url = {https://covid19datahub.io},
  doi = {10.13140/RG.2.2.11649.81763},
  author = {Emanuele Guidotti and David Ardia},
}