To cite package ‘CP’ in publications use:

  Kuehnapfel A (2016). _CP: Conditional Power Calculations_. R package
  version 1.6, <https://github.com/andreasstatsr/cp>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {CP: Conditional Power Calculations},
    author = {Andreas Kuehnapfel},
    year = {2016},
    note = {R package version 1.6},
    url = {https://github.com/andreasstatsr/cp},
  }

ATTENTION: This citation information has been auto-generated from the
package DESCRIPTION file and may need manual editing, see
‘help("citation")’.