To cite package ‘epxToR’ in publications use:

Decorps J, Whiting D (2020). epxToR: Import 'Epidata' XML Files '.epx'. R package version 0.4-1, https://CRAN.R-project.org/package=epxToR.

Corresponding BibTeX entry:

  @Manual{,
    title = {epxToR: Import 'Epidata' XML Files '.epx'},
    author = {Jean Pierre Decorps and David Whiting},
    year = {2020},
    note = {R package version 0.4-1},
    url = {https://CRAN.R-project.org/package=epxToR},
  }