%% You should probably cite draft-ietf-httpbis-retrofit-06 instead of this revision.
@techreport{ietf-httpbis-retrofit-01,
    number =    {draft-ietf-httpbis-retrofit-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-httpbis-retrofit/01/},
    author =    {Mark Nottingham},
    title =     {{Retrofit Structured Fields for HTTP}},
    pagetotal = 13,
    year =      2022,
    month =     apr,
    day =       24,
    abstract =  {This specification defines how a selection of existing HTTP fields can be handled as Structured Fields.},
}