To cite package ‘ELMSO’ in publications use:

Paulson C (2020). ELMSO: Implementation of the Efficient Large-Scale Online Display Advertising Algorithm. R package version 1.0.1, https://CRAN.R-project.org/package=ELMSO.

Corresponding BibTeX entry:

  @Manual{,
    title = {ELMSO: Implementation of the Efficient Large-Scale Online
      Display Advertising Algorithm},
    author = {Courtney Paulson},
    year = {2020},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=ELMSO},
  }