To cite package ‘HARplus’ in publications use:

Puangchit P (2026). HARplus: Enhanced R Package for 'GEMPACK' .har and .sl4 Files. R package version 1.2.0, https://github.com/bodysbobb/harplus.

Corresponding BibTeX entry:

  @Manual{,
    title = {HARplus: Enhanced R Package for 'GEMPACK' .har and .sl4
      Files},
    author = {Pattawee Puangchit},
    year = {2026},
    note = {R package version 1.2.0},
    url = {https://github.com/bodysbobb/harplus},
  }