To cite package ‘FinePop2’ in publications use:

  Nakamichi R, Kitada S, Kishino H (2026). _FinePop2: Fine-Scale
  Population Analysis (Rewrite for Gene-Trait-Environment Interaction
  Analysis)_. R package version 0.6,
  <https://CRAN.R-project.org/package=FinePop2>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {FinePop2: Fine-Scale Population Analysis (Rewrite for
Gene-Trait-Environment Interaction Analysis)},
    author = {Reiichiro Nakamichi and Shuichi Kitada and Hirohisa Kishino},
    year = {2026},
    note = {R package version 0.6},
    url = {https://CRAN.R-project.org/package=FinePop2},
  }