To cite package ‘okBATHTUB’ in publications use:

  Henderson J (2026). _okBATHTUB: Empirical Reservoir Eutrophication
  Modelling with Oklahoma Calibration_. R package version 0.1.11,
  <https://github.com/0011235813/oklahoma-bathtub>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {okBATHTUB: Empirical Reservoir Eutrophication Modelling with Oklahoma
Calibration},
    author = {Jordon Henderson},
    year = {2026},
    note = {R package version 0.1.11},
    url = {https://github.com/0011235813/oklahoma-bathtub},
  }