To cite package ‘fanc’ in publications use:

  Hirose K, Yamamoto M, Nagata H (2026). _fanc: Penalized Likelihood
  Factor Analysis via Nonconvex Penalty_. R package version 2.4.0,
  <https://CRAN.R-project.org/package=fanc>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fanc: Penalized Likelihood Factor Analysis via Nonconvex Penalty},
    author = {Kei Hirose and Michio Yamamoto and Haruhisa Nagata},
    year = {2026},
    note = {R package version 2.4.0},
    url = {https://CRAN.R-project.org/package=fanc},
  }
