To cite package ‘rmutil’ in publications use:

Swihart B, Lindsey J (2022). rmutil: Utilities for Nonlinear Regression and Repeated Measurements Models. R package version 1.1.10, https://github.com/swihart/rmutil.

Corresponding BibTeX entry:

  @Manual{,
    title = {rmutil: Utilities for Nonlinear Regression and Repeated
      Measurements Models},
    author = {Bruce Swihart and Jim Lindsey},
    year = {2022},
    note = {R package version 1.1.10},
    url = {https://github.com/swihart/rmutil},
  }