To cite prevR package:

Larmarange J, Vallo R, Yaro S, Msellati P, Meda N (2011). “Methods for mapping regional trends of HIV prevalence from Demographic and Health Surveys (DHS).” Cybergeo: European Journal of Geography. doi: 10.4000/cybergeo.24606, https://journals.openedition.org/cybergeo/24606.

Corresponding BibTeX entry:

  @Article{,
    title = {Methods for mapping regional trends of HIV prevalence from
      Demographic and Health Surveys (DHS)},
    author = {Joseph Larmarange and Roselyne Vallo and Seydou Yaro and
      Philippe Msellati and Nicolas Meda},
    journal = {Cybergeo: European Journal of Geography},
    year = {2011},
    number = {558},
    url = {https://journals.openedition.org/cybergeo/24606},
    doi = {10.4000/cybergeo.24606},
  }