To cite DoE.multi.response in publications use:

Marget WM, Morris MD (2019). “Central Composite Experimental Designs for Multiple Responses With Different Models.” Technometrics, 0(0), 1–16. doi: 10.1080/00401706.2018.1549102, https://doi.org/10.1080/00401706.2018.1549102.

Corresponding BibTeX entry:

  @Article{,
    title = {Central Composite Experimental Designs for Multiple
      Responses With Different Models},
    author = {Wilmina M. Marget and Max D. Morris},
    journal = {Technometrics},
    year = {2019},
    volume = {0},
    number = {0},
    pages = {1--16},
    publisher = {Taylor & Francis},
    url = {https://doi.org/10.1080/00401706.2018.1549102},
    doi = {10.1080/00401706.2018.1549102},
  }