To cite package 'mediation' in publications please use the following. Other publications related to the package are also listed below.

Dustin Tingley, Teppei Yamamoto, Luke Keele and Kosuke Imai (2013). mediation: R Package for Causal Mediation Analysis. R package version 4.4. URL http://CRAN.R-project.org/package=mediation

Kosuke Imai, Luke Keele and Teppei Yamamoto (2010). Identification, Inference and Sensitivity Analysis for Causal Mediation Effects. Statistical Science, 25(1), 51-71.

Kosuke Imai, Luke Keele and Dustin Tingley (2010). A General Approach to Causal Mediation Analysis. Psychological Methods, 15(4), 309-334.

Kosuke Imai, Luke Keele, Dustin Tingley and Teppei Yamamoto (2011). Unpacking the Black Box of Causality: Learning about Causal Mechanisms from Experimental and Observational Studies. American Political Science Review, 105(4), 765-789.

Kosuke Imai and Teppei Yamamoto (2013). Identification and Sensitivity Analysis for Multiple Causal Mechanisms: Revisiting Evidence from Framing Experiments. Political Analysis, 21(2), forthcoming.

Kosuke Imai, Luke Keele, Dustin Tingley and Teppei Yamamoto (2009). Causal Mediation Analysis Using R. In Advances in Social Science Research Using R, ed. H. D. Vinod, New York: Springer.

Corresponding BibTeX entries:

  @Manual{,
    title = {mediation: R Package for Causal Mediation Analysis},
    author = {Dustin Tingley and Teppei Yamamoto and Luke Keele and
      Kosuke Imai},
    year = {2013},
    note = {R package version 4.4},
    url = {http://CRAN.R-project.org/package=mediation},
  }
  @Article{,
    title = {Identification, Inference, and Sensitivity Analysis for
      Causal Mediation Effects},
    author = {Kosuke Imai and Luke Keele and Teppei Yamamoto},
    journal = {Statistical Science},
    year = {2010},
    volume = {25},
    number = {1},
    pages = {51--71},
    url = {http://imai.princeton.edu/research/mediation.html},
  }
  @Article{,
    title = {A General Approach to Causal Mediation Analysis},
    author = {Kosuke Imai and Luke Keele and Dustin Tingley},
    journal = {Psychological Methods},
    year = {2010},
    volume = {15},
    number = {4},
    pages = {309--334},
    url = {http://imai.princeton.edu/research/BaronKenny.html},
  }
  @Article{,
    title = {Unpacking the Black Box of Causality: Learning about
      Causal Mechanisms from Experimental and Observational Studies},
    author = {Kosuke Imai and Luke Keele and Dustin Tingley and Teppei
      Yamamoto},
    journal = {American Political Science Review},
    year = {2011},
    volume = {105},
    number = {4},
    pages = {765--789},
    url = {http://imai.princeton.edu/research/mediationP.html},
  }
  @Article{,
    title = {Identification and Sensitivity Analysis for Multiple
      Causal Mechanisms: Revisiting Evidence from Framing Experiments},
    author = {Kosuke Imai and Teppei Yamamoto},
    journal = {Political Analysis},
    year = {2013},
    volume = {21},
    number = {2},
    url = {http://imai.princeton.edu/research/medsens.html},
  }
  @InCollection{,
    title = {Causal Mediation Analysis Using R},
    author = {Kosuke Imai and Luke Keele and Dustin Tingley and Teppei
      Yamamoto},
    booktitle = {Advances in Social Science Research Using R},
    year = {2009},
    editor = {H.D. Vinod},
    publisher = {Springer},
    address = {New York},
  }