To cite package ‘naxp’ in publications use:

  Gordon T (2026). _naxp: Encoded ASCII Expressions_. R package version
  0.1.0, <https://CRAN.R-project.org/package=naxp>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {naxp: Encoded ASCII Expressions},
    author = {Tim Gordon},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=naxp},
  }