To cite package ‘sarima’ in publications use:

  Boshnakov GN, Halliday J (2024). _sarima: Simulation and Prediction
  with Seasonal ARIMA Models_. R package version 0.9.3,
  <https://github.com/geobosh/sarima>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sarima: Simulation and Prediction with Seasonal ARIMA Models},
    author = {Georgi N. Boshnakov and Jamie Halliday},
    year = {2024},
    note = {R package version 0.9.3},
    url = {https://github.com/geobosh/sarima},
  }