To cite package ‘fillpattern’ in publications use:

Smith D (2026). fillpattern: Patterned Fills for 'ggplot2' and 'grid' Graphics. R package version 1.0.3, https://github.com/cmmr/fillpattern.

Corresponding BibTeX entry:

  @Manual{,
    title = {fillpattern: Patterned Fills for 'ggplot2' and 'grid'
      Graphics},
    author = {Daniel P. Smith},
    year = {2026},
    note = {R package version 1.0.3},
    url = {https://github.com/cmmr/fillpattern},
  }