To cite drgee in publications use:

Zetterqvist J, Sj"olander A (2015). “Doubly robust estimation with the R package drgee.” Epidemiologic Methods, 4(1), 69–86. doi:10.1515/em-2014-0021.

If you use conditional G-estimation or doubly robust conditional estimation (using cond=TRUE) please also cite:

Zetterqvist J, Vansteelandt S, Pawitan Y, Sj"olander A (2016). “Doubly robust methods for handling confounding by cluster.” Biostatistics, 17(2), 264–276. doi:10.1093/biostatistics/kxv041.

Corresponding BibTeX entries:

  @Article{,
    title = {Doubly robust estimation with the R package drgee},
    author = {Johan Zetterqvist and Arvid Sj{"o}lander},
    journal = {Epidemiologic Methods},
    volume = {4},
    number = {1},
    pages = {69--86},
    year = {2015},
    doi = {10.1515/em-2014-0021},
  }

  @Article{,
    title = {Doubly robust methods for handling confounding by
      cluster},
    author = {Johan Zetterqvist and Stijn Vansteelandt and Yudi Pawitan
      and Arvid Sj{"o}lander},
    journal = {Biostatistics},
    volume = {17},
    number = {2},
    pages = {264--276},
    year = {2016},
    doi = {10.1093/biostatistics/kxv041},
  }