To cite package 'webuse' in publications use:
Leeper TJ (2018). webuse: Import Stata 'webuse' Datasets. R package version 0.1.3.
Corresponding BibTeX entry:
  @Manual{,
    title = {webuse: Import Stata 'webuse' Datasets},
    author = {Thomas J. Leeper},
    year = {2018},
    note = {R package version 0.1.3},
  }