To cite package ‘gggap’ in publications use:

Morales C (2020). gggap: Define Segments in y-Axis for 'ggplot2'. R package version 1.0, https://github.com/cmoralesmx/gggap.

Corresponding BibTeX entry:

  @Manual{,
    title = {gggap: Define Segments in y-Axis for 'ggplot2'},
    author = {Carlos Morales},
    year = {2020},
    note = {R package version 1.0},
    url = {https://github.com/cmoralesmx/gggap},
  }