To cite RtD3 in publications use:

  Hamish Gibbs (2020). RtD3: Rt Visualization in D3, DOI:
  10.5281/zenodo.4011841

A BibTeX entry for LaTeX users is

  @Article{,
    title = {RtD3: Rt Visualization in D3},
    author = {Hamish Gibbs and Sam Abbott and Sebastian Funk},
    journal = {Zenodo},
    year = {2020},
    volume = {-},
    number = {-},
    pages = {-},
    doi = {10.5281/zenodo.4011841},
  }