To cite package ‘sa4all’ in publications use:

  Johnson KF, Wetzel CR, Ianelli JN (2021). _sa4all: Write Stock
  Assessments for general purposes_. R package version 0.0.0.0002,
  <https://github.com/afsc-assess/sa4all>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sa4all: Write Stock Assessments for general purposes},
    author = {Kelli F. Johnson and Chantel R. Wetzel and James N. Ianelli},
    year = {2021},
    note = {R package version 0.0.0.0002},
    url = {https://github.com/afsc-assess/sa4all},
  }