To cite package ‘lqmm’ in publications use:

Geraci M (2014). The lqmm package for Laplace quantile regression. Journal of Statistical Software (in press). URL http://www.jstatsoft.org/
Geraci M and Bottai M (2013). Linear quantile mixed models. Statistics and Computing, doi:10.1007/s11222-013-9381-9

A BibTeX entry for LaTeX users is toBibtex(citation('lqmm'))

Corresponding BibTeX entries:

  @Article{,
    title = {{L}inear quantile mixed models: The lqmm package for
      {L}aplace quantile regression},
    author = {M. Geraci},
    journal = {Journal of Statistical Software},
    year = {2014},
    volume = {0},
    number = {0},
    pages = {0--0},
    url = {http://www.jstatsoft.org/},
  }
  @Article{,
    author = {M. Geraci and M. Bottai},
    title = {Linear quantile mixed models},
    journal = {Statistics and Computing},
    year = {2013},
    doi = {10.1007/s11222-013-9381-9},
  }