To cite package ‘exoplanets’ in publications use:

  Littlefield T (2025). _exoplanets: Access NASA's Exoplanet Archive
  Data_. R package version 0.2.3,
  <https://github.com/ropensci/exoplanets>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {exoplanets: Access NASA's Exoplanet Archive Data},
    author = {Tyler Littlefield},
    year = {2025},
    note = {R package version 0.2.3},
    url = {https://github.com/ropensci/exoplanets},
  }