To cite the 'errum' R package and methods paper in publications use:

Balamuta JJ, Culpepper SA, Douglas JA (2019). errum: Bayesian Estimation of an Exploratory Reduced Reparameterized Unified Model.

Culpepper SA, Chen Y (2019). “Development and Application of an Exploratory Reduced Reparameterized Unified Model.” Journal of Educational and Behavioral Statistics, 44(1), 3-24. doi:10.3102/1076998618791306, https://doi.org/10.3102/1076998618791306.

Corresponding BibTeX entries:

  @Manual{,
    title = {{errum: Bayesian Estimation of an Exploratory Reduced
      Reparameterized Unified Model}},
    author = {James Joseph Balamuta and Steven Andrew Culpepper and
      Jeffrey A. Douglas},
    year = {2019},
  }

  @Article{,
    title = {{Development and Application of an Exploratory Reduced
      Reparameterized Unified Model}},
    author = {Steven Andrew Culpepper and Yinghan Chen},
    journal = {Journal of Educational and Behavioral Statistics},
    year = {2019},
    url = {https://doi.org/10.3102/1076998618791306},
    volume = {44},
    number = {1},
    pages = {3-24},
    doi = {10.3102/1076998618791306},
  }