To cite synthACS in publications use:

Whitworth A (2022). “synthACS: Spatial MicroSimulation Modeling with Synthetic American Community Survey Data.” Journal of Statistical Software, 104(7), 1–30. doi:10.18637/jss.v104.i07.

Corresponding BibTeX entry:

  @Article{,
    title = {{synthACS}: Spatial MicroSimulation Modeling with
      Synthetic American Community Survey Data},
    author = {Alex Whitworth},
    journal = {Journal of Statistical Software},
    year = {2022},
    volume = {104},
    number = {7},
    pages = {1--30},
    doi = {10.18637/jss.v104.i07},
  }