To cite package ‘BiFactorCopulaGAMM’ in publications use:

  Krupskii P, Nasri BR, Remillard BN (2026). _BiFactorCopulaGAMM:
  Bi-Factor Copula-Based Mixed Regression Models_. R package version
  0.1.9, <https://CRAN.R-project.org/package=BiFactorCopulaGAMM>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {BiFactorCopulaGAMM: Bi-Factor Copula-Based Mixed Regression Models},
    author = {Pavel Krupskii and Bouchra R. Nasri and Bruno N Remillard},
    year = {2026},
    note = {R package version 0.1.9},
    url = {https://CRAN.R-project.org/package=BiFactorCopulaGAMM},
  }