Healy K (2025). nyczips: New York City ZIP Code Data. R package version 0.1.0, https://github.com/kjhealy/nyczips.

Corresponding BibTeX entry:

  @Manual{,
    title = {nyczips: New York City ZIP Code Data},
    author = {Kieran Healy},
    year = {2025},
    note = {R package version 0.1.0},
    url = {https://github.com/kjhealy/nyczips},
  }