To cite package 'micEconCES' in publications use:

Henningsen A, Henningsen G, Literáti G (2021). “Econometric Estimation of the 'Constant Elasticity of Substitution' Function in R: the micEconCES Package.” In Hashimzade N, Thornton MA (eds.), Handbook of Research Methods and Applications in Empirical Microeconomics, 596–640. Edward Elgar. doi:10.4337/9781788976480.00030.

Corresponding BibTeX entry:

  @InCollection{,
    title = {Econometric Estimation of the 'Constant Elasticity of
      Substitution' Function in R: the micEconCES Package},
    author = {Arne Henningsen and G\'{e}raldine Henningsen and
      Gerg\H{o} Liter\'{a}ti},
    year = {2021},
    publisher = {Edward Elgar},
    editor = {Nigar Hashimzade and Michael A. Thornton},
    booktitle = {Handbook of Research Methods and Applications in
      Empirical Microeconomics},
    pages = {596–640},
    doi = {10.4337/9781788976480.00030},
  }