To cite archivist in publications use:

Przemyslaw Biecek, Marcin Kosinski (2016). archivist: An R Package for Managing, Recording and Restoring Data Analysis Results URL https://github.com/pbiecek/archivist

Corresponding BibTeX entry:

  @Manual{,
    title = {{archivist}: An {R} Package for Managing, Recording and
      Restoring Data Analysis Results},
    author = {Przemys{\l}aw Biecek and Marcin Kosinski},
    year = {2016},
    url = {https://github.com/pbiecek/archivist},
  }