To cite package ‘fpsim’ in publications use:

  Miller S (2025). _fpsim: Compute Measures of Foreign Policy
  Similarity/Agreement_. R package version 0.1.0,
  <https://CRAN.R-project.org/package=fpsim>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fpsim: Compute Measures of Foreign Policy Similarity/Agreement},
    author = {Steven Miller},
    year = {2025},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=fpsim},
  }