To cite package ‘fGarch’ in publications use:

Wuertz D, Chalabi Y, Setz T, Maechler M, Boshnakov GN (2025). fGarch: Rmetrics - Autoregressive Conditional Heteroskedastic Modelling. R package version 4052.93, https://CRAN.R-project.org/package=fGarch.

Corresponding BibTeX entry:

  @Manual{,
    title = {fGarch: Rmetrics - Autoregressive Conditional
      Heteroskedastic Modelling},
    author = {Diethelm Wuertz and Yohan Chalabi and Tobias Setz and
      Martin Maechler and Georgi N. Boshnakov},
    year = {2025},
    note = {R package version 4052.93},
    url = {https://CRAN.R-project.org/package=fGarch},
  }