To cite package ‘gsloid’ in publications use:

  Marwick B, Lisiecki L, Spratt R, Raymo M (2024). _gsloid: Global Sea
  Level and Oxygen Isotope Data_. R package version 0.2.0,
  <https://github.com/benmarwick/gsloid>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gsloid: Global Sea Level and Oxygen Isotope Data},
    author = {Ben Marwick and Lorraine Lisiecki and Rachel Spratt and Maureen Raymo},
    year = {2024},
    note = {R package version 0.2.0},
    url = {https://github.com/benmarwick/gsloid},
  }