To cite ezpickr in publications use:

Seo J, Choi S (2020). ezpickr: Easy Data Import Using GUI File Picker. R package version 2.1.0, https://CRAN.R-project.org/package=ezpickr.

Corresponding BibTeX entry:

  @Manual{,
    title = {ezpickr: Easy Data Import Using GUI File Picker},
    author = {JooYoung Seo and Soyoung Choi},
    year = {2020},
    note = {R package version 2.1.0},
    url = {https://CRAN.R-project.org/package=ezpickr},
  }