To cite package ‘NWCTrends’ in publications use:

  Elizabeth H (2022). _NWCTrends: Standardized Trend Metrics for
  Salmonid Populations_. R package version 1.30, ,
  <https://github.com/nwfsc-math-bio/nwctrends>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {NWCTrends: Standardized Trend Metrics for Salmonid Populations},
    author = {Holmes Elizabeth},
    year = {2022},
    note = {R package version 1.30, 
},
    url = {https://github.com/nwfsc-math-bio/nwctrends},
  }