To cite package ‘EconDemand’ in publications use:

Wu T (2016). EconDemand: General Analysis of Various Economics Demand Systems. R package version 1.0, https://CRAN.R-project.org/package=EconDemand.

Corresponding BibTeX entry:

  @Manual{,
    title = {EconDemand: General Analysis of Various Economics Demand
      Systems},
    author = {Tianhao Wu},
    year = {2016},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=EconDemand},
  }