To cite package ‘USpopcenters’ in publications use:

Krieger N (2023). USpopcenters: United States Centers of Population (Centroids). R package version 0.2.0, https://github.com/nikkrieger/uspopcenters.

Corresponding BibTeX entry:

  @Manual{,
    title = {USpopcenters: United States Centers of Population
      (Centroids)},
    author = {Nik Krieger},
    year = {2023},
    note = {R package version 0.2.0},
    url = {https://github.com/nikkrieger/uspopcenters},
  }