To cite ds4psy in derivations and publications use:

Neth, H. (2019). ds4psy: Data Science for Psychologists. Social Psychology and Decision Sciences, University of Konstanz, Germany. Textbook and computer software (R package version 0.1.0, August 09, 2019). Retrieved from <https://bookdown.org/hneth/ds4psy/>.

Corresponding BibTeX entry:

  @Manual{,
    title = {ds4psy: Data Science for Psychologists},
    author = {Hansjörg Neth},
    year = {2019},
    organization = {Social Psychology and Decision Sciences, University
      of Konstanz},
    address = {Konstanz, Germany},
    note = {Textbook and R package (version 0.1.0, August 09, 2019)},
    url = {https://bookdown.org/hneth/ds4psy/},
  }