To cite package ‘RoundAndRound’ in publications use:

Shu L (2020). RoundAndRound: Plot Objects Moving in Orbits. R package version 0.0.1, https://github.com/shulele/roundandround.

Corresponding BibTeX entry:

  @Manual{,
    title = {RoundAndRound: Plot Objects Moving in Orbits},
    author = {Lele Shu},
    year = {2020},
    note = {R package version 0.0.1},
    url = {https://github.com/shulele/roundandround},
  }