To cite package ‘ggimage’ in publications use:

  Yu G (2026). _ggimage: Use Image in 'ggplot2'_. R package version
  0.3.5, <https://github.com/yulab-smu/ggimage>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggimage: Use Image in 'ggplot2'},
    author = {Guangchuang Yu},
    year = {2026},
    note = {R package version 0.3.5},
    url = {https://github.com/yulab-smu/ggimage},
  }