To cite package ‘ggpolar’ in publications use:

Wang S (2022). ggpolar: Dots and Their Connections in Polar Coordinate System. R package version 0.2.2, https://github.com/shixiangwang/polar.

Corresponding BibTeX entry:

  @Manual{,
    title = {ggpolar: Dots and Their Connections in Polar Coordinate
      System},
    author = {Shixiang Wang},
    year = {2022},
    note = {R package version 0.2.2},
    url = {https://github.com/shixiangwang/polar},
  }