To cite ranger in publications use:
Wright MN, Ziegler A (2017). “ranger: A Fast Implementation of Random Forests for High Dimensional Data in C++ and R.” Journal of Statistical Software, 77(1), 1–17. doi:10.18637/jss.v077.i01.
Corresponding BibTeX entry:
@Article{, title = {{ranger}: A Fast Implementation of Random Forests for High Dimensional Data in {C++} and {R}}, author = {Marvin N. Wright and Andreas Ziegler}, journal = {Journal of Statistical Software}, year = {2017}, volume = {77}, number = {1}, pages = {1--17}, doi = {10.18637/jss.v077.i01}, }