To cite package ROptEst in publications use:
Kohl, M., and Ruckdeschel, P. (2019). ROptEst: Optimally robust estimation. R package version 1.2.1. URL http://robast.r-forge.r-project.org/
Corresponding BibTeX entry:
@Manual{, title = {ROptEst: Optimally robust estimation}, author = {M. Kohl and P. Ruckdeschel}, language = {English}, year = {2019}, note = {R package version 1.2.1}, type = {R package}, url = {http://robast.r-forge.r-project.org/}, }