To cite ssmrob in publications use:
Zhelonkin M, Ronchetti E (2021). “Robust Analysis of Sample Selection Models through the R Package ssmrob.” Journal of Statistical Software, 99(4), 1–35. doi:10.18637/jss.v099.i04.
Corresponding BibTeX entry:
@Article{, title = {Robust Analysis of Sample Selection Models through the {R} Package {ssmrob}}, author = {Mikhail Zhelonkin and Elvezio Ronchetti}, journal = {Journal of Statistical Software}, year = {2021}, volume = {99}, number = {4}, pages = {1--35}, doi = {10.18637/jss.v099.i04}, }