To cite this package in publications, please use:

  Dusa, Adrian (2019). QCA with R. A Comprehensive Resource. Springer
  International Publishing.

A BibTeX entry for LaTeX users is

  @Book{,
    author = {Adrian Dusa},
    year = {2019},
    title = {QCA with R. A Comprehensive Resource},
    address = {Cham, Switzerland},
    publisher = {Springer International Publishing},
  }