To cite package ‘ggBubbles’ in publications use:

Schwarzl T (2019). ggBubbles: Mini Bubble Plots for Comparison of Discrete Data with 'ggplot2'. R package version 0.1.4, https://CRAN.R-project.org/package=ggBubbles.

Corresponding BibTeX entry:

  @Manual{,
    title = {ggBubbles: Mini Bubble Plots for Comparison of Discrete
      Data with 'ggplot2'},
    author = {Thomas Schwarzl},
    year = {2019},
    note = {R package version 0.1.4},
    url = {https://CRAN.R-project.org/package=ggBubbles},
  }