To cite bartMachine/bartMachineJARs in publications use:

Kapelner A, Bleich J (2016). “bartMachine: Machine Learning with Bayesian Additive Regression Trees.” Journal of Statistical Software, 70(4), 1–40. doi:10.18637/jss.v070.i04.

Corresponding BibTeX entry:

  @Article{,
    title = {{bartMachine}: Machine Learning with {B}ayesian Additive
      Regression Trees},
    author = {Adam Kapelner and Justin Bleich},
    journal = {Journal of Statistical Software},
    year = {2016},
    volume = {70},
    number = {4},
    pages = {1--40},
    doi = {10.18637/jss.v070.i04},
  }