To cite package ‘fredr’ in publications use:

Boysel S, Vaughan D (2021). fredr: An R Client for the 'FRED' API. R package version 2.1.0.9000, https://github.com/sboysel/fredr.

Corresponding BibTeX entry:

  @Manual{,
    title = {fredr: An R Client for the 'FRED' API},
    author = {Sam Boysel and Davis Vaughan},
    year = {2021},
    note = {R package version 2.1.0.9000},
    url = {https://github.com/sboysel/fredr},
  }