To cite FishEconProdOutput in publications use:

  Wang, Sun Ling, John B. Walden, Emily H. Markowitz. 2021.  Measuring
  Output, Inputs, and Total Factor Productivity for the U.S. Fishery: A
  Proposal.  NOAA Tech. Memo. NMFS. URL https://spo.nmfs.noaa.gov/.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Measuring Output, Inputs, and Total Factor Productivity for the U.S. Fishery: A Proposal},
    author = {Sun Ling Wang and John Walden and Emily Markowitz},
    journal = {DOC NOAA NMFS Technical Memorandum},
    year = {2021},
    url = {https://spo.nmfs.noaa.gov/},
  }