To cite package ‘duckspending’ in publications use:

Grant Witness (2026). duckspending: Access to USAspending Data in a DuckLake. R package version 0.1.0, https://usaspending.grant-witness.us/r-package/duckspending.git.

Corresponding BibTeX entry:

  @Manual{,
    title = {duckspending: Access to USAspending Data in a DuckLake},
    author = {{Grant Witness}},
    year = {2026},
    note = {R package version 0.1.0},
    url =
      {https://usaspending.grant-witness.us/r-package/duckspending.git},
  }