To cite package ‘ACRER’ in publications use:

  Martakis G (2026). _ACRER: Accessibility for Recreation in R_. R
  package version 1.0.1, <https://github.com/martakis/acrer>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ACRER: Accessibility for Recreation in R},
    author = {Georgios Martakis},
    year = {2026},
    note = {R package version 1.0.1},
    url = {https://github.com/martakis/acrer},
  }