To cite package ‘SEC13Flist’ in publications use:

  Lyesin Y (2024). _SEC13Flist: Functions to Work with Official List of
  SEC Section 13(f) Securities and Security Identifiers_. R package
  version 1.1.0, <https://github.com/yanlesin/sec13flist>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {SEC13Flist: Functions to Work with Official List of SEC Section 13(f)
Securities and Security Identifiers},
    author = {Yan Lyesin},
    year = {2024},
    note = {R package version 1.1.0},
    url = {https://github.com/yanlesin/sec13flist},
  }