To cite medfit in publications, cite the software. To cite the underlying methodology, cite the relevant references below.

Tofighi D (2026). medfit: Infrastructure for Mediation Model Fitting and Extraction. R package version 0.3.1, https://data-wise.github.io/medfit/.

MacKinnon D, Lockwood C, Williams J (2004). “Confidence Limits for the Indirect Effect: Distribution of the Product and Resampling Methods.” Multivariate Behavioral Research, 39(1), 99–128. doi:10.1207/s15327906mbr3901_4.

Preacher K, Hayes A (2008). “Asymptotic and resampling strategies for assessing and comparing indirect effects in multiple mediator models.” Behavior Research Methods, 40(3), 879–891. doi:10.3758/brm.40.3.879.

Tofighi D, MacKinnon D (2011). “RMediation: An R package for mediation analysis confidence intervals.” Behavior Research Methods, 43(3), 692–700. doi:10.3758/s13428-011-0076-x.

VanderWeele T (2014). “A Unification of Mediation and Interaction: A Four-Way Decomposition.” Epidemiology, 25(5), 749–761. doi:10.1097/EDE.0000000000000121.

Corresponding BibTeX entries:

  @Manual{,
    title = {{medfit}: Infrastructure for Mediation Model Fitting and
      Extraction},
    author = {Davood Tofighi},
    year = {2026},
    note = {R package version 0.3.1},
    url = {https://data-wise.github.io/medfit/},
  }

  @Article{,
    title = {Confidence Limits for the Indirect Effect: Distribution of
      the Product and Resampling Methods},
    author = {David P. MacKinnon and Chondra M. Lockwood and Jason
      Williams},
    journal = {Multivariate Behavioral Research},
    year = {2004},
    volume = {39},
    number = {1},
    pages = {99--128},
    doi = {10.1207/s15327906mbr3901_4},
  }

  @Article{,
    title = {Asymptotic and resampling strategies for assessing and
      comparing indirect effects in multiple mediator models},
    author = {Kristopher J. Preacher and Andrew F. Hayes},
    journal = {Behavior Research Methods},
    year = {2008},
    volume = {40},
    number = {3},
    pages = {879--891},
    doi = {10.3758/brm.40.3.879},
  }

  @Article{,
    title = {{RMediation}: An {R} package for mediation analysis
      confidence intervals},
    author = {Davood Tofighi and David P. MacKinnon},
    journal = {Behavior Research Methods},
    year = {2011},
    volume = {43},
    number = {3},
    pages = {692--700},
    doi = {10.3758/s13428-011-0076-x},
  }

  @Article{,
    title = {A Unification of Mediation and Interaction: A Four-Way
      Decomposition},
    author = {Tyler J. VanderWeele},
    journal = {Epidemiology},
    year = {2014},
    volume = {25},
    number = {5},
    pages = {749--761},
    doi = {10.1097/EDE.0000000000000121},
  }