To cite package ‘volcanoes’ in publications use:

  Ismay C (2026). _volcanoes: Holocene Volcanoes, Eruptions, and
  Eruption Events_. R package version 0.1.1,
  <https://github.com/moderndive/volcanoes>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {volcanoes: Holocene Volcanoes, Eruptions, and Eruption Events},
    author = {Chester Ismay},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://github.com/moderndive/volcanoes},
  }