To cite package ‘RegEnRF’ in publications use:

  Zhang H, Nettleton D, Zhu Z (2019). “Regression-Enhanced Random
  Forests.” 1904.10416, <https://arxiv.org/abs/1904.10416>.

A BibTeX entry for LaTeX users is

  @Misc{,
    title = {Regression-Enhanced Random Forests},
    author = {Haozhe Zhang and Dan Nettleton and Zhengyuan Zhu},
    year = {2019},
    eprint = {1904.10416},
    archiveprefix = {arXiv},
    primaryclass = {stat.ML},
    url = {https://arxiv.org/abs/1904.10416},
  }