To cite ARUtools in publications use:

Hope D, LaZerte S (2024). ARUtools: a package for ARU data. https://github.com/arutools/ARUtools.

Corresponding BibTeX entry:

  @Manual{,
    title = {ARUtools: a package for ARU data},
    author = {David Hope and Steffi LaZerte},
    year = {2024},
    url = {https://github.com/arutools/ARUtools},
  }