To cite logitr in publications use:

Helveston JP (2021). logitr: Random Utility Logit Models with Preference and Willingness to Pay Space Parameterizations. R package version 0.2.0, https://jhelvy.github.io/logitr/.

Corresponding BibTeX entry:

  @Manual{,
    title = {logitr: Random Utility Logit Models with Preference and
      Willingness to Pay Space Parameterizations},
    author = {John Paul Helveston},
    year = {2021},
    note = {R package version 0.2.0},
    url = {https://jhelvy.github.io/logitr/},
  }