To cite package ‘HDRFA’ in publications use:

  He Y, Li L, Liu D, Zhou W (2024). _HDRFA: High-Dimensional Robust
  Factor Analysis_. R package version 0.1.5,
  <https://CRAN.R-project.org/package=HDRFA>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {HDRFA: High-Dimensional Robust Factor Analysis},
    author = {Yong He and Lingxiao Li and Dong Liu and Wenxin Zhou},
    year = {2024},
    note = {R package version 0.1.5},
    url = {https://CRAN.R-project.org/package=HDRFA},
  }