To cite the imputeR package, use:

Feng L, Moritz S, Nowak G, Welsh AH, O'Neill TJ (2018). imputeR: A General Multivariate Imputation Framework. R package version 2.1, https://CRAN.R-project.org/package=imputeR.

Corresponding BibTeX entry:

  @Manual{,
    title = {imputeR: A General Multivariate Imputation Framework},
    author = {Lingbing Feng and Steffen Moritz and Gen Nowak and Alan.
      H. Welsh and Terry. J. O'Neill},
    year = {2018},
    note = {R package version 2.1},
    url = {https://CRAN.R-project.org/package=imputeR},
  }