To cite package 'samplingVarEst' in publications use:

Emilio Lopez Escobar, Ernesto Barrios Zamudio and Juan Francisco Munoz Rosas (2019). samplingVarEst: Sampling Variance Estimation. R package version 1.4.

Corresponding BibTeX entry:

  @Manual{,
    title = {samplingVarEst: Sampling Variance Estimation},
    author = {Emilio Lopez Escobar and Ernesto Barrios Zamudio and Juan
      Francisco Munoz Rosas},
    year = {2019},
    note = {R package version 1.4},
  }