To cite nprobust in publications use:
Calonico S, Cattaneo MD, Farrell MH (2019). “nprobust: Nonparametric Kernel-Based Estimation and Robust Bias-Corrected Inference.” Journal of Statistical Software, 91(8), 1–33. doi:10.18637/jss.v091.i08.
Corresponding BibTeX entry:
@Article{, title = {{nprobust}: Nonparametric Kernel-Based Estimation and Robust Bias-Corrected Inference}, author = {Sebastian Calonico and Matias D. Cattaneo and Max H. Farrell}, journal = {Journal of Statistical Software}, year = {2019}, volume = {91}, number = {8}, pages = {1--33}, doi = {10.18637/jss.v091.i08}, }