To cite OneArmPhaseTwoStudy in publications use:

Kieser M, Wirths M, Englert S, Kunz CU and Rauch G (2017). “OneArmPhaseTwoStudy: An R Package for Planning, Conducting, and Analysing Single-Arm Phase II Studies.” Journal of Statistical Software, 81(8), pp. 1–28. doi: 10.18637/jss.v081.i08.

Corresponding BibTeX entry:

  @Article{,
    title = {{OneArmPhaseTwoStudy}: An {R} Package for Planning,
      Conducting, and Analysing Single-Arm Phase II Studies},
    author = {Meinhard Kieser and Marius Wirths and Stefan Englert and
      Cornelia Ursula Kunz and Geraldine Rauch},
    journal = {Journal of Statistical Software},
    year = {2017},
    volume = {81},
    number = {8},
    pages = {1--28},
    doi = {10.18637/jss.v081.i08},
  }