To cite 'adoption' in publications use:

For general purposes please refer to

Schlather M (2019). adoption: Modelling Adoption Processes in Marketing. R package version 0.6.2, https://cran.r-project.org/package=adoption.

Corresponding BibTeX entry:

  @Manual{,
    title = {{adoption}: Modelling Adoption Processes in Marketing},
    author = {Martin Schlather},
    year = {2019},
    note = {R package version 0.6.2},
    url = {https://cran.r-project.org/package=adoption},
  }