To cite ppmf in publications use:
Kenny C (2025). ppmf: ppmf: Read Census Privacy Protected Microdata Files. R package, https://christophertkenny.com/ppmf/.
Corresponding BibTeX entry:
@Manual{ppmf, title = {{ppmf}: ppmf: Read Census Privacy Protected Microdata Files}, author = {Christopher T. Kenny}, year = {2025}, note = {R package}, url = {https://christophertkenny.com/ppmf/}, }