To cite package ‘ggalign’ in publications use:

  Peng Y, Wang S, Yu G (2025). _ggalign: A 'ggplot2' Extension for
  Consistent Axis Alignment_. R package version 0.1.0,
  <https://CRAN.R-project.org/package=ggalign>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggalign: A 'ggplot2' Extension for Consistent Axis Alignment},
    author = {Yun Peng and Shixiang Wang and Guangchuang Yu},
    year = {2025},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=ggalign},
  }