To cite package ‘betategarch’ in publications use:

  Sucarrat G (2025). _betategarch: Simulation, Estimation and
  Forecasting of Beta-Skew-t-EGARCH Models_. R package version 3.4,
  <https://CRAN.R-project.org/package=betategarch>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {betategarch: Simulation, Estimation and Forecasting of Beta-Skew-t-EGARCH
Models},
    author = {Genaro Sucarrat},
    year = {2025},
    note = {R package version 3.4},
    url = {https://CRAN.R-project.org/package=betategarch},
  }
