To cite package ‘vaccineff’ in publications use:

  Quevedo D, Cucunubá Z (2025). _vaccineff: Estimate Vaccine
  Effectiveness Based on Different Study Designs_. R package version
  1.0.0.9000, , <https://github.com/epiverse-trace/vaccineff>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {vaccineff: Estimate Vaccine Effectiveness Based on Different Study Designs},
    author = {David Santiago Quevedo and Zulma M. Cucunubá},
    year = {2025},
    note = {R package version 1.0.0.9000, 
},
    url = {https://github.com/epiverse-trace/vaccineff},
  }