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}, }