To cite package ‘portn’ in publications use:

Yun S (2023). portn: Portfolio Analysis for Nature. R package version 1.0.0, https://github.com/ysd2004/portn.

Corresponding BibTeX entry:

  @Manual{,
    title = {portn: Portfolio Analysis for Nature},
    author = {Seong D. Yun},
    year = {2023},
    note = {R package version 1.0.0},
    url = {https://github.com/ysd2004/portn},
  }