To cite synthpop in publications use:

Nowok B, Raab GM, Dibben C (2016). “synthpop: Bespoke Creation of Synthetic Data in R.” Journal of Statistical Software, 74(11), 1–26. doi:10.18637/jss.v074.i11.

Corresponding BibTeX entry:

  @Article{,
    title = {{synthpop}: Bespoke Creation of Synthetic Data in {R}},
    author = {Beata Nowok and Gillian M. Raab and Chris Dibben},
    journal = {Journal of Statistical Software},
    year = {2016},
    volume = {74},
    number = {11},
    pages = {1--26},
    doi = {10.18637/jss.v074.i11},
  }