To cite package ‘emptyfield’ in publications use:

Barrett M (2022). emptyfield: Install Empty Field Learning Materials. R package version 0.0.1, https://github.com/emptyfield-ds/emptyfield.

Corresponding BibTeX entry:

  @Manual{,
    title = {emptyfield: Install Empty Field Learning Materials},
    author = {Malcolm Barrett},
    year = {2022},
    note = {R package version 0.0.1},
    url = {https://github.com/emptyfield-ds/emptyfield},
  }