%% You should probably cite rfc2751 instead of this I-D.
@techreport{ietf-rap-signaled-priority-04,
    number =    {draft-ietf-rap-signaled-priority-04},
    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-rap-signaled-priority/04/},
    author =    {Shai Herzog},
    title =     {{Signaled Preemption Priority Policy Element}},
    pagetotal = 12,
    year =      1999,
    month =     sep,
    day =       24,
    abstract =  {This document describes a preemption priority policy element for use by signaled policy based admission protocols (such as RSVP and COPS). {[}STANDARDS-TRACK{]}},
}