To cite DoE.base in publications use:

Grömping U (2018). “R Package DoE.base for Factorial Experiments.” Journal of Statistical Software, 85(5), 1–41. doi:10.18637/jss.v085.i05.

Corresponding BibTeX entry:

  @Article{,
    title = {{R} Package {DoE.base} for Factorial Experiments},
    author = {Ulrike Gr{\"o}mping},
    journal = {Journal of Statistical Software},
    year = {2018},
    volume = {85},
    number = {5},
    pages = {1--41},
    doi = {10.18637/jss.v085.i05},
  }