To cite package ‘ggpolar’ in publications use:

  Wang S (2024). _ggpolar: Dots and Their Connections in Polar
  Coordinate System_. R package version 0.2.2,
  <https://github.com/shixiangwang/polar>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggpolar: Dots and Their Connections in Polar Coordinate System},
    author = {Shixiang Wang},
    year = {2024},
    note = {R package version 0.2.2},
    url = {https://github.com/shixiangwang/polar},
  }