To cite package ‘cogmapr’ in publications use:

  Vanwindekens F, Stilmant D, Baret P (2015). _cogmapr - Cognitive
  Mapping tools for qualitative data analysis_.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {cogmapr - Cognitive Mapping tools for qualitative data analysis},
    author = {Frederic M. Vanwindekens and Didier Stilmant and Philippe V. Baret},
    year = {2015},
  }

  Frédéric M. Vanwindekens, Didier Stilmant, Philippe V. Baret (2013).
  “Development of a broadened cognitive mapping approach for analysing
  systems of practices in social-ecological systems.” _Ecological
  Modelling_, *250*, 352 - 362.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {{Frédéric M. Vanwindekens} and {Didier Stilmant} and {Philippe V. Baret}},
    title = {Development of a broadened cognitive mapping approach for analysing
             systems of practices in social-ecological systems},
    journal = {Ecological Modelling},
    year = {2013},
    volume = {250},
    pages = {352 - 362},
  }

  Frédéric M. Vanwindekens, Philippe V. Baret, Didier Stilmant (2014).
  “A new approach for comparing and categorizing farmers’ systems of
  practice based on cognitive mapping and graph theory indicators.”
  _Ecological Modelling_, *274*, 1 - 11.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {{Frédéric M. Vanwindekens} and {Philippe V. Baret} and {Didier Stilmant}},
    title = {A new approach for comparing and categorizing farmers’ systems of
             practice based on cognitive mapping and graph theory indicators},
    journal = {Ecological Modelling},
    year = {2014},
    volume = {274},
    pages = {1 - 11},
  }