To cite package ‘lapop’ in publications use:

  Vidigal R, Plutowski L (2026). _lapop: Processing, Visualizing, and
  Labeling Americas Barometer Data_. R package version 2.1.5,
  <https://github.com/lapop-central/lapop>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {lapop: Processing, Visualizing, and Labeling Americas Barometer Data},
    author = {Robert Vidigal and Luke Plutowski},
    year = {2026},
    note = {R package version 2.1.5},
    url = {https://github.com/lapop-central/lapop},
  }