%% You should probably cite draft-lonvick-private-tax-18 instead of this revision.
@techreport{lonvick-private-tax-17,
    number =    {draft-lonvick-private-tax-17},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-lonvick-private-tax/17/},
    author =    {Chris M. Lonvick},
    title =     {{A Taxonomy on Private Use Fields in Protocols}},
    pagetotal = 20,
    year =      2019,
    month =     apr,
    day =       15,
    abstract =  {This document provides clarification about private use fields in IETF protocols.},
}