To cite qgraph in publications use:

Richetin, J., Costantini, G., Perugini, M., Schonbrodt, F (2015). Should we stop looking for a better scoring algorithm for handling Implicit Association Test data? Test of the role of errors, extreme latencies treatment, scoring formula, and practice trials on reliability and validity PLoS one https://doi.org/10.1371/journal.pone.0129601

Corresponding BibTeX entry:

  @Article{,
    title = {Should we stop looking for a better scoring algorithm for
      handling Implicit Association Test data? Test of the role of
      errors, extreme latencies treatment, scoring formula, and
      practice trials on reliability and validity},
    author = {Sacha Epskamp and Richetin Juliette and Costantini Giulio
      and {Perugini} and {Marco} and Schonbrodt F},
    journal = {PLoS one},
    year = {2015},
    volume = {10},
    number = {6},
    pages = {e0129601},
    url = {https://doi.org/10.1371/journal.pone.0129601},
  }