To cite package ‘ispd’ in publications use:

Mandal B, Dash S, Parsad R (2019). ispd: Incomplete Split-Plot Designs. R package version 0.2, https://CRAN.R-project.org/package=ispd.

Corresponding BibTeX entry:

  @Manual{,
    title = {ispd: Incomplete Split-Plot Designs},
    author = {Baidya Nath Mandal and Sukanta Dash and Rajender Parsad},
    year = {2019},
    note = {R package version 0.2},
    url = {https://CRAN.R-project.org/package=ispd},
  }