To cite package ‘rscontract’ in publications use:

Stephens N, Ruiz E (2020). rscontract: Generic implementation of the 'RStudio' connections contract. R package version 0.1.2, https://github.com/rstudio/rscontract.

Corresponding BibTeX entry:

  @Manual{,
    title = {rscontract: Generic implementation of the 'RStudio'
      connections contract},
    author = {Nathan Stephens and Edgar Ruiz},
    year = {2020},
    note = {R package version 0.1.2},
    url = {https://github.com/rstudio/rscontract},
  }