To cite package ‘fstorr’ in publications use:

  FitzJohn R (2020). _fstorr: File Storage_. R package version 0.1.0,
  <https://github.com/reside-ic/fstorr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fstorr: File Storage},
    author = {Rich FitzJohn},
    year = {2020},
    note = {R package version 0.1.0},
    url = {https://github.com/reside-ic/fstorr},
  }