To cite adnuts in publications use:

  Monnahan CC, Kristensen K (2018) No-U-turn sampling for fast Bayesian
  inference in ADMB and TMB: Introducing the adnuts and tmbstan R
  packages. PLoS ONE 13(5): e0197954.
  https://doi.org/10.1371/journal.pone.0197954

A BibTeX entry for LaTeX users is

  @Article{,
    title = {No-U-turn sampling for fast Bayesian inference in ADMB and TMB: Introducing the adnuts and tmbstan R packages.},
    author = {Cole C. Monnahan and Kasper Kristensen},
    year = {2018},
    journal = {PLoS ONE},
    volume = {13},
    number = {5},
    pages = {e0197954},
  }

  Monnahan CC (2018). adnuts: No-U-Turn MCMC Sampling for 'ADMB' and
  'TMB' Models. R package version 1.1.2.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {adnuts: No-U-Turn MCMC Sampling for ADMB Models.},
    author = {Cole C. Monnahan},
    year = {2018},
    note = {R package version 1.1.2},
  }