To cite package ‘smss’ in publications use:

Arnold J (2015). smss: Datasets for Agresti and Finlay's "Statistical Methods for the Social Sciences". R package version 1.0-2, https://CRAN.R-project.org/package=smss.

Corresponding BibTeX entry:

  @Manual{,
    title = {smss: Datasets for Agresti and Finlay's "Statistical
      Methods for the Social Sciences"},
    author = {Jeffrey B. Arnold},
    year = {2015},
    note = {R package version 1.0-2},
    url = {https://CRAN.R-project.org/package=smss},
  }