To cite package ‘spheresmooth’ in publications use:

  Jhong J, Koo J, Lee S, Bak K (2024). _spheresmooth: Piecewise
  Geodesic Smoothing for Spherical Data_. R package version 0.1.3,
  <https://CRAN.R-project.org/package=spheresmooth>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {spheresmooth: Piecewise Geodesic Smoothing for Spherical Data},
    author = {Jae-Hwan Jhong and Ja-Yong Koo and Seyoung Lee and Kwan-Young Bak},
    year = {2024},
    note = {R package version 0.1.3},
    url = {https://CRAN.R-project.org/package=spheresmooth},
  }