To cite package ‘EFAfactors’ in publications use:

Qin H, Guo L (2025). EFAfactors: Determining the Number of Factors in Exploratory Factor Analysis. R package version 1.2.4, https://CRAN.R-project.org/package=EFAfactors.

Corresponding BibTeX entry:

  @Manual{,
    title = {EFAfactors: Determining the Number of Factors in
      Exploratory Factor Analysis},
    author = {Haijiang Qin and Lei Guo},
    year = {2025},
    note = {R package version 1.2.4},
    url = {https://CRAN.R-project.org/package=EFAfactors},
  }