To cite package ‘EpiCurve’ in publications use:

  Decorps J (2021). _EpiCurve: Plot an Epidemic Curve_. R package
  version 2.4-2, <https://github.com/iamkdo/epicurve>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {EpiCurve: Plot an Epidemic Curve},
    author = {Jean Pierre Decorps},
    year = {2021},
    note = {R package version 2.4-2},
    url = {https://github.com/iamkdo/epicurve},
  }