To cite package ‘rsoi’ in publications use:

  Albers S (2024). _rsoi: Import Various Northern and Southern
  Hemisphere Climate Indices_. R package version 0.5.5, ,
  <https://github.com/boshek/rsoi>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rsoi: Import Various Northern and Southern Hemisphere Climate Indices},
    author = {Sam Albers},
    year = {2024},
    note = {R package version 0.5.5, },
    url = {https://github.com/boshek/rsoi},
  }