To cite package ‘figpatch’ in publications use:

  Johnston B (2022). _figpatch: Easily Arrange External Figures with
  Patchwork Alongside 'ggplot2' Figures_. R package version 0.2,
  <https://github.com/bradyajohnston/figpatch>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {figpatch: Easily Arrange External Figures with Patchwork Alongside
'ggplot2' Figures},
    author = {Brady Johnston},
    year = {2022},
    note = {R package version 0.2},
    url = {https://github.com/bradyajohnston/figpatch},
  }