To cite package 'leiv' in publications use:

Leonard D (2015). leiv: Bivariate Linear Errors-In-Variables Estimation. R package version 2.0-7.

Corresponding BibTeX entry:

  @Manual{,
    title = {leiv: Bivariate Linear Errors-In-Variables Estimation},
    author = {David Leonard},
    year = {2015},
    note = {R package version 2.0-7},
  }