To cite package 'eRm' in publications use:

############################################################################### The current Package Version:

Mair P, Hatzinger R, Maier MJ (2020). eRm: Extended Rasch Modeling. 1.0-1, https://cran.r-project.org/package=eRm.

############################################################################### The original JSS Article:

Mair P, Hatzinger R (2007). “Extended Rasch modeling: The eRm package for the application of IRT models in R.” Journal of Statistical Software, 20. http://www.jstatsoft.org/v20/i09.

############################################################################### Article about CML Estimation in eRm:

Mair P, Hatzinger R (2007). “CML based estimation of extended Rasch models with the eRm package in R.” Psychology Science, 49.

############################################################################### Article about LLRAs in eRm:

Hatzinger R, Rusch T (2009). “IRT models with relaxed assumptions in eRm: A manual-like instruction.” Psychology Science Quarterly, 51.

############################################################################### Book Chapter about LLRAs:

Rusch T, Maier MJ, Hatzinger R (2013). “Linear logistic models with relaxed assumptions in R.” In Lausen B, van den Poel D, Ultsch A (eds.), Algorithms from and for Nature and Life, series Studies in Classification, Data Analysis, and Knowledge Organization. doi: 10.1007/978-3-319-00035-0_34.

############################################################################### Article about the performance of Quasi-Exact Tests in eRm:

Koller I, Maier MJ, Hatzinger R (2015). “An Empirical Power Analysis of Quasi-Exact Tests for the Rasch Model: Measurement Invariance in Small Samples.” Methodology, 11. doi: 10.1027/1614-2241/a000090.

############################################################################### Article about the Performance of the nonparametric Q3 Tests in eRm:

Debelak R, Koller I (2019). “Testing the Local Independence Assumption of the Rasch Model With Q3-Based Nonparametric Model Tests.” Applied Psychological Measurement. doi: 10.1177/0146621619835501.

Corresponding BibTeX entries:

  @Manual{,
    title = {{eRm: Extended Rasch Modeling}},
    author = {Patrick Mair and Reinhold Hatzinger and Marco Johannes
      Maier},
    year = {2020},
    note = {1.0-1},
    url = {https://cran.r-project.org/package=eRm},
  }

  @Article{,
    title = {{Extended Rasch modeling: The eRm package for the
      application of IRT models in R}},
    author = {Patrick Mair and Reinhold Hatzinger},
    year = {2007},
    page = {1--20},
    journal = {{Journal of Statistical Software}},
    volume = {20},
    issue = {9},
    url = {http://www.jstatsoft.org/v20/i09},
  }

  @Article{,
    title = {{CML based estimation of extended Rasch models with the
      eRm package in R}},
    author = {Patrick Mair and Reinhold Hatzinger},
    year = {2007},
    page = {26--43},
    journal = {{Psychology Science}},
    volume = {49},
    issue = {1},
  }

  @Article{,
    title = {{IRT models with relaxed assumptions in eRm: A manual-like
      instruction}},
    author = {Reinhold Hatzinger and Thomas Rusch},
    year = {2009},
    page = {87--120},
    journal = {{Psychology Science Quarterly}},
    volume = {51},
    issue = {1},
  }

  @InProceedings{,
    title = {{Linear logistic models with relaxed assumptions in R}},
    author = {Thomas Rusch and Marco Johannes Maier and Reinhold
      Hatzinger},
    booktitle = {{Algorithms from and for Nature and Life}},
    editor = {Berthold Lausen and Dirk {van den Poel} and Alfred
      Ultsch},
    series = {{Studies in Classification, Data Analysis, and Knowledge
      Organization}},
    year = {2013},
    page = {337--347},
    address = {{New York}},
    publisher = {{Springer}},
    doi = {10.1007/978-3-319-00035-0_34},
  }

  @Article{,
    title = {{An Empirical Power Analysis of Quasi-Exact Tests for the
      Rasch Model: Measurement Invariance in Small Samples}},
    author = {Ingrid Koller and Marco Johannes Maier and Reinhold
      Hatzinger},
    year = {2015},
    volume = {11},
    issue = {2},
    page = {45--54},
    journal = {{Methodology}},
    doi = {10.1027/1614-2241/a000090},
  }

  @Article{,
    title = {{Testing the Local Independence Assumption of the Rasch
      Model With Q3-Based Nonparametric Model Tests}},
    author = {Rudolf Debelak and Ingrid Koller},
    year = {2019},
    journal = {{Applied Psychological Measurement}},
    doi = {10.1177/0146621619835501},
  }