To cite package ‘opendatarte’ in publications use:

  Dervieux C (2019). _opendatarte: opendatarte_. R package version
  0.0.0.9000, <https://github.com/cderv/opendatarte>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {opendatarte: opendatarte},
    author = {Christophe Dervieux},
    year = {2019},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/cderv/opendatarte},
  }