To cite package ‘websearchr’ in publications use:

Schaffner F (2019). websearchr: Access Domains and Search Popular Websites. R package version 0.0.3, https://github.com/fschaffner/websearchr.

Corresponding BibTeX entry:

  @Manual{,
    title = {websearchr: Access Domains and Search Popular Websites},
    author = {Florian S. Schaffner},
    year = {2019},
    note = {R package version 0.0.3},
    url = {https://github.com/fschaffner/websearchr},
  }