To cite package ‘ggspark’ in publications use:

  Bosch Matas M (2024). _ggspark: 'ggplot2' Functions to Create Tufte
  Style Sparklines_. R package version 0.0.2,
  <https://github.com/marcboschmatas/ggspark>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggspark: 'ggplot2' Functions to Create Tufte Style Sparklines},
    author = {Marc {Bosch Matas}},
    year = {2024},
    note = {R package version 0.0.2},
    url = {https://github.com/marcboschmatas/ggspark},
  }