How to cite

Cite a chapter or the whole book. Each chapter ends with a BibTeX entry for that chapter, with the chapter's published and updated dates. The entry for the whole book is below.

@misc{singh2026zipcodedestiny,
  author = {Singh, Vishal},
  title = {ZIP Code Destiny: From cradle to grave},
  year = {2026},
  url = {https://vishalsingh.org/zipcode},
  note = {Online book}
}

Reusing figures and data

Figures link to the data behind them through the "Show data" table under each chart. Where a figure comes from a public dataset, cite the dataset as well as this book. The data sources page gives the citation details, years and license for each dataset.