To cite package ‘swa’ in publications use:

Qiao X, Sun J, Fan Y (2017). swa: Subsampling Winner Algorithm for Classification. R package version 0.8.1, https://CRAN.R-project.org/package=swa.

Corresponding BibTeX entry:

  @Manual{,
    title = {swa: Subsampling Winner Algorithm for Classification},
    author = {Xingye Qiao and Jiayang Sun and Yiying Fan},
    year = {2017},
    note = {R package version 0.8.1},
    url = {https://CRAN.R-project.org/package=swa},
  }