To cite WHAM in publications:

  Miller, T.J. and Stock, B.C. 2020. The Woods Hole Assessment Model
  (WHAM). Version 1.0. https://timjmiller.github.io/wham/.

A BibTeX entry for LaTeX users is

  @Misc{,
    title = {The {W}oods {H}ole {A}ssessment {M}odel ({WHAM})},
    author = {Timothy J. Miller and Brian C. Stock},
    year = {2020},
    note = {Version 1.0},
    url = {https://timjmiller.github.io/wham/},
  }

This paper describes WHAM with equations and simulation tests:

> Stock, B. C., and Miller, T. J. 2021. The Woods Hole Assessment Model
(WHAM): A general state-space assessment framework that incorporates
time- and age-varying processes via random effects and links to
environmental covariates. Fisheries Research, 240: 105967. doi:
10.1016/j.fishres.2021.105967