To cite package ‘GBASS’ in publications use:

  Rumsey K (2026). _GBASS: Generalized Bayesian Adaptive Smoothing
  Splines_. R package version 2.0.1,
  <https://CRAN.R-project.org/package=GBASS>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {GBASS: Generalized Bayesian Adaptive Smoothing Splines},
    author = {Kellin Rumsey},
    year = {2026},
    note = {R package version 2.0.1},
    url = {https://CRAN.R-project.org/package=GBASS},
  }