To cite package ‘simpleCache’ in publications use:

  Nagraj V, Sheffield N (2021). _simpleCache: Simply Caching R
  Objects_. R package version 0.4.2,
  <https://github.com/databio/simplecache>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {simpleCache: Simply Caching R Objects},
    author = {VP Nagraj and Nathan Sheffield},
    year = {2021},
    note = {R package version 0.4.2},
    url = {https://github.com/databio/simplecache},
  }