To cite package ‘RPEXE.RPEXT’ in publications use:

Han G, Zhang Y (2020). RPEXE.RPEXT: Reduced Piecewise Exponential Estimate/Test Software. R package version 0.0.2, https://github.com/hangangtrue/rpexe.rpext.

Corresponding BibTeX entry:

  @Manual{,
    title = {RPEXE.RPEXT: Reduced Piecewise Exponential Estimate/Test
      Software},
    author = {Gang Han and Yu Zhang},
    year = {2020},
    note = {R package version 0.0.2},
    url = {https://github.com/hangangtrue/rpexe.rpext},
  }