To cite the psica package in publications use:
Sysoev O, Bartoszek K, Ekstrom E, Selling KE (2019). “PSICA: decision trees for probabilistic subgroup identification with categorical treatments.” Statistics in Medicine, 38, 4436-4452.
Corresponding BibTeX entry:
@Article{, author = {Oleg Sysoev and Krzysztof Bartoszek and Eva-Charlotta Ekstrom and Katarina Ekholm Selling}, title = {PSICA: decision trees for probabilistic subgroup identification with categorical treatments}, year = {2019}, volume = {38}, pages = {4436-4452}, journal = {Statistics in Medicine}, }