To cite package ‘readroper’ in publications use:

Petulla S (2020). readroper: Simply Read ASCII Single and Multicard Polling Datasets. R package version 0.9.3, https://github.com/petulla/readroper.

Corresponding BibTeX entry:

  @Manual{,
    title = {readroper: Simply Read ASCII Single and Multicard Polling
      Datasets},
    author = {Sam Petulla},
    year = {2020},
    note = {R package version 0.9.3},
    url = {https://github.com/petulla/readroper},
  }