To cite package ‘promises’ in publications use:

Cheng J, Schloerke B, Chang W, Gao C (2025). promises: Abstractions for Promise-Based Asynchronous Programming. R package version 1.5.0.9000, https://github.com/rstudio/promises.

Corresponding BibTeX entry:

  @Manual{,
    title = {promises: Abstractions for Promise-Based Asynchronous
      Programming},
    author = {Joe Cheng and Barret Schloerke and Winston Chang and
      Charlie Gao},
    year = {2025},
    note = {R package version 1.5.0.9000},
    url = {https://github.com/rstudio/promises},
  }