To cite package ‘hexfont’ in publications use:

  Davis T (2024). _hexfont: 'GNU Unifont' Hex Fonts_. R package version
  0.4.0, <https://github.com/trevorld/hexfont>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {hexfont: 'GNU Unifont' Hex Fonts},
    author = {Trevor L Davis},
    year = {2024},
    note = {R package version 0.4.0},
    url = {https://github.com/trevorld/hexfont},
  }