To cite package ‘fred’ in publications use:

  Coverdale C (2026). _fred: Access Federal Reserve Economic Data_. R
  package version 0.3.1, <https://github.com/charlescoverdale/fred>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fred: Access Federal Reserve Economic Data},
    author = {Charles Coverdale},
    year = {2026},
    note = {R package version 0.3.1},
    url = {https://github.com/charlescoverdale/fred},
  }