To cite package ‘ggpattern’ in publications use:

  FC M, Davis T, ggplot2 authors (2024). _ggpattern: 'ggplot2' Pattern
  Geoms_. R package version 1.1.1, ,
  <https://github.com/trevorld/ggpattern>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggpattern: 'ggplot2' Pattern Geoms},
    author = {Mike FC and Trevor L. Davis and {ggplot2 authors}},
    year = {2024},
    note = {R package version 1.1.1, 
},
    url = {https://github.com/trevorld/ggpattern},
  }