To cite IPCAPS in publications use:

Kridsadakorn Chaichoompu, Fentaw Abegaz, Sissades Tongsima, Philip James Shaw, Anavaj Sakuntabhai, Luisa Pereira, and Kristel Van Steen (2018). KRIS: Keen and Reliable Interface Subroutines for Bioinformatic Analysis. R package version 1.1.5. URL: https://CRAN.R-project.org/package=IPCAPS

Corresponding BibTeX entry:

  @Manual{,
    title = {IPCAPS: Iterative Pruning to Capture Population
      Structure},
    author = {Kridsadakorn Chaichoompu and Fentaw Abegaz and Sissades
      Tongsima and Philip James Shaw and Anavaj Sakuntabhai and Luisa
      Pereira and Kristel {Van Steen}},
    year = {2018},
    note = {R package version 1.1.5},
    url = {https://CRAN.R-project.org/package=IPCAPS},
  }