To cite package IsletCalc in publications:

  Suleman S (2026). “IsletCalc: Insulin and Glucagon Release Indices
  Calculator.” _R package documentation_. Beta-cell insulin release
  formulas follow Madsen AL, et al. (2024) Nature Metabolism,
  doi:10.1038/s42255-024-01140-6. Please cite this package and the
  underlying study when using IsletCalc in your research.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {IsletCalc: Insulin and Glucagon Release Indices Calculator},
    author = {Sufyan Suleman},
    year = {2026},
    journal = {R package documentation},
    note = {Beta-cell insulin release formulas follow Madsen AL, et al. (2024) Nature Metabolism, doi:10.1038/s42255-024-01140-6. Please cite this package and the underlying study when using IsletCalc in your research.},
  }