To cite package ‘ggChinaFlag’ in publications use:

Liu Z (2026). ggChinaFlag: Drawing Chinese National and Historical Flags with 'ggplot2'. R package version 0.2.0, https://github.com/xlions/ggchinaflag.

Corresponding BibTeX entry:

  @Manual{,
    title = {ggChinaFlag: Drawing Chinese National and Historical Flags
      with 'ggplot2'},
    author = {Zhaoshuo Liu},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://github.com/xlions/ggchinaflag},
  }