To cite package ‘pipr’ in publications use:

  Fujs T, Eilertsen A, Shah R, Castañeda R, Cecchinato G (2026). _pipr:
  Client for the Poverty and Inequality Platform ('PIP') API_. R
  package version 1.4.0.9000, <https://github.com/worldbank/pipr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pipr: Client for the Poverty and Inequality Platform ('PIP') API},
    author = {Tony Fujs and Aleksander Eilertsen and Ronak Shah and R.Andrés Castañeda and Giorgia Cecchinato},
    year = {2026},
    note = {R package version 1.4.0.9000},
    url = {https://github.com/worldbank/pipr},
  }