Kindly cite the rwfs R package as follows:

  (C) Jussi Jousimo, Joona Lehtomaki, Juuso Parkkinen, Leo Lahti
  2014-2016. rwfs R package. R package version 0.2.0 URL:
  https://github.com/rOpenGov/rwfs

A BibTeX entry for LaTeX users is

  @Misc{,
    title = {rwfs R package},
    author = {Jussi Jousimo and Joona Lehtomaki and Juuso Parkkinen and Leo Lahti},
    year = {2014-2016},
    url = {https://github.com/rOpenGov/rwfs},
    note = {R package version 0.2.0},
  }