To cite package ‘WufooR’ in publications use:

Malc J (2020). WufooR: R Wrapper for the 'Wufoo.com' - The Form Building Service. R package version 1.0, https://github.com/dmpe/wufoor.

Corresponding BibTeX entry:

  @Manual{,
    title = {WufooR: R Wrapper for the 'Wufoo.com' - The Form Building
      Service},
    author = {John Malc},
    year = {2020},
    note = {R package version 1.0},
    url = {https://github.com/dmpe/wufoor},
  }